NUTR Test 2 practice
Legumes are often considered a healthier alternative protein source to meat. This is because A) legumes are higher in fiber than meats. B) legumes are lower in fat than meat. C) legumes are lower in essential fatty acids than meat. D) legumes are higher in unsaturated fats than meats.
legumes are higher in fiber than meats.
Starch is made up of A) long chains of glucose molecules. B) long chains of lactose molecules. C) long chains of sucrose molecules. D) long chains of fructose molecules.
long chains of glucose molecules.
Which of the following is considered a simple carbohydrate? Select all that apply. A) glycogen B) starch C) cellulose D) maltose E) monosaccharide
maltose & monosaccharide
Consumption of large amounts of meat and dairy products is associated with a higher risk of heart disease because A) meat and dairy products contain very little calcium, iron, or zinc. B) meat and dairy products contain very little cholesterol. C) meat and dairy products contain high levels of saturated fat. D) meat and dairy products contain high levels of unsaturated fat.
meat and dairy products contain high levels of saturated fat.
Consumption of large amounts of ________ products is associated with higher risk of heart disease because both contain high levels of saturated fats. A) meats and whole-grain B) meats and dairy C) legumes and dairy D) fruits and vegetables
meats and dairy
Which of the following dietary strategies may help to INCREASE the concentration of high-density lipoprotein ( HDL ) cholesterol in blood? A) moderate alcohol consumption B) soluble fiber consumption C) plant sterol consumption D) omega-9 fatty acid consumption
moderate alcohol consumption
Increasing fibre intake too quickly and without sufficient water intake may cause A) iron overload. B) obesity. C) folate toxicity. D) obstruction of the GI tract.
obstruction of the GI tract.
If a mixture of lipids was placed within an aqueous solution, which of the following would likely be found on the outer surface of fat droplets containing the following lipids? A) sterols B) fat-soluble vitamins C) phospholipids D) triglycerides
phospholipids
A pescetarian can obtain omega-3 fatty acids by eating A) salmon. B) beef. C) quinoa. D) eggs.
salmon.
Which of the following conditions is BEST known to result from regular ingestion of sugar? A) Dental cavities B) Diabetes C) Cardiovascular disease D) Obesity
Dental cavities
In the digestion of fats, bile emulsifiers function as which of the following compounds? A) Hormone B) Lipoprotein C) Enzyme D) Detergent
Detergent
What can be said of protein digestion?
Digestion of polypeptides in the small intestine is achieved by enzymes from both the pancreas and the brush border.
What can be said of diverticula?
Diverticula arise from excess pressure in the colon caused by chronic constipation.
Sickle cell disease results from an inherited mutation in the amino acid sequence in the polypeptide chains of haemoglobin. The result of this mutation is:
A change in the shape of red blood cells.
The discovery of which two bacterial enzymes provided the tools needed for the techniques of molecular biology and genetic engineering? A) Restriction enzymes and DNA ligases B) Restriction enzymes and DNA splicers C) Resistance enzymes and DNA ligases D) Resistance enzymes and DNA splicers
Restriction enzymes and DNA ligases
With regards to fat, which of the following statements is FALSE?
Saturated fats are found in animal foods; they are not found in plant sources.
Most of the digestion of dietary fat takes place in what part of the body?
Small intestine
Which of the following is a person who eats a diet high in enriched grains deficient in? A) niacin B) riboflavin C) fibre D) starch
fibre
Which of the following does NOT occur in response to a high-fat meal? A) storage of triglycerides in adipose tissue B) formation of chylomicrons in the small intestine C) formation of micelles in the small intestine D) formation of very-low-density lipoproteins ( VLDLs ) in the liver
formation of very-low-density lipoproteins ( VLDLs ) in the liver
All of the following are examples of nutritionally-relevant products produced by genetic engineering except A) human insulin. B) fortified orange juice. C) fruits and vegetables with longer shelf life. D) insect-resistant corn.
fortified orange juice.
After being digested, what molecule(s) is/are lactose absorbed as? A) glucose and galactose B) glucose C) lactose D) galactose
glucose and galactose
Which of the following is the first step in cellular respiration? A) glycolysis B) aerobic metabolism C) digestion D) electron transport chain E) citric acid cycle
glycolysis
People with inadequate protein intake experience swelling in the feet. This demonstrates the role of proteins in A) helping to keep water levels in the tissue and blood balanced. B) forming the antibodies to fight infection. C) forming the cells that make up the capillaries. D) assisting the circulatory system in circulating blood more quickly throughout the body.
helping to keep water levels in the tissue and blood balanced.
Which of the following foods is high in sucrose? A) white bread B) homemade lemonade C) peanuts D) orange juice
homemade lemonade
If a person with type 1 diabetes injects too much insulin, __________ may result. A) high blood sugar B) hypoglycemia C) hyperglycemia D) ketosis
hypoglycemia
Which of the following is NOT a means by which fish intake can decrease the risk of cardiovascular disease? A) decrease blood triglyceride concentrations B) increase low-density lipoprotein (LDL) cholesterol concentrations C) decrease inflammation D) reduce blood clotting
increase low-density lipoprotein (LDL) cholesterol concentrations
Which of the following is likely to occur after consuming a 16-oz glass of skim milk first thing in the morning? A) increased production of triglycerides in the liver B) increased release of fatty acids from adipose tissue C) increased delivery of triglycerides to adipose tissue in chylomicrons D) increased production of ketone bodies in the liver
increased production of triglycerides in the liver
Where can you find information about added sugar on a food label? A) nutrition Facts B) ingredients list C) there is no information about added sugars on food labels D) allergen warnings
ingredients list
Your roommate says that it doesn't matter whether you consume complete or incomplete proteins, it's the total amount of protein in the diet that really matters. The correct response would be:
"That's not true. A shortage of one needed amino acid can stop the body from making the proteins it needs."
Which of the following foods would provide a complete source of protein to a lacto-vegetarian? A) Eggs B) Fish C) Milk D) Whole grain bread
Milk
What can be said of protein energy malnutrition?
Most protein-energy malnutrition is a combination of kwashiorkor and marasmus.
Animal protein is a major source of dietary protein in the Canadian diet. All of the following are beneficial nutrients gleaned from consuming animal products except A) iron. B) B vitamins. C) saturated fat. D) calcium.
saturated fat.
Dave would like to reduce the glycemic response of his pasta dish. What food could he add to his meal in order to lower the overall glycemic response? A) 125 ml sliced green peppers B) A 125 ml glass of skim milk C) 125 ml tomato sauce D) 75 g of lean ground beef
75 g of lean ground beef
Your friend is interested in knowing more about how blood glucose levels are regulated. When you mention you are taking NUTR*1010, he asks you what you are learning about this. You respond by saying:
"Glucose is really important for nerve cells, like those in the brain, because these cells rely almost exclusively on glucose for energy."
You would like to calculate the digestible indispensable amino acid (DIAA) reference ratio for lysine in corn. 1 g of corn protein contains 25 mg of lysine. You feed this portion to a pig. The first step is to determine the digestibility coefficient. You find that 80% of the lysine originally in the corn is detected in the ileal contents of the pig. What is the digestibility coefficient? A) 80 B) 0.8 C) 0.2 D) 20
0.2
Which of following is NOT within the recommended intake range? A) 2-year-old consuming 37% of calories as fat B) 28-year-old consuming 33% of calories as fat C) 40-year-old consuming 27% of calories as fat D) 13-year-old consuming 22% of calories as fat
13-year-old consuming 22% of calories as fat
Many Canadians exceed the maximum recommended intake of fat, which is 35% of kcal. Intakes above 35% kcal are most common in which of the following age groups?
31 to 50 years.
A food label reads "excellent source of protein". This claim indicates that the protein rating of this food must have been greater than A) 30. B) 20. C) 100. D) 40.
40.
What percentage of calories from carbohydrates is recommended per day for a healthy adult? A) 50-70% B) 45-65% C) 35-55% D) 70-80%
45-65%
Populations where most dietary fat is comprised of unsaturated fats, rather than saturated fats, are at lower risk of disease. Choose a lunch that exemplifies this dietary pattern. A) A steak and vegetable stir fry cooked in olive oil. B) A salmon and vegetable stir fry cooked in canola oil. C) A green salad with pork tossed in flaxseed oil. D) A chicken and vegetable stir fry cooked in coconut oil.
A salmon and vegetable stir fry cooked in canola oil.
Which food is LOWEST on the glycemic index scale? A) 125 ml can of creamed corn B) A half piece of cornbread C) 125 ml cornflakes D) A small corn on the cob
A small corn on the cob
Which of the following signs distinguishes Kwashiorkor from other malnutrition associated diseases? A) An excess of body fat B) A swollen belly C) Pale skin and a bluish tinge of the lips D) A skin and bones appearance
A swollen belly
Of the following list of high-fibre foods, which does NOT contain the type of fibre believed to reduce the risk of heart disease? A) Bananas B) Oatmeal C) All Bran D) Kidney beans
All Bran
Which of the following foods would be digested primarily by lipase? A) Skim milk B) Almonds C) Green peppers D) Apple
Almonds
Since the 1970's, the Canadian diet has seen:
An increase in total carbohydrate intake.
Animal protein is a major source of dietary protein in the Canadian diet. Which statement regarding animal product consumption is TRUE? A) Animal products are low in fibre and are often high in unsaturated fat and cholesterol - a nutrient mix that promotes heart disease. B) Animal products provide plenty of high quality protein, unsaturated fat, and iron - a nutrient mix that decreases the risk of heart disease. C) Animal products are low in fibre and are often high in saturated fat and cholesterol - a nutrient mix that promotes heart disease. D) Animal products provide plenty of high quality protein and fibre - a nutrient mix that decreases the risk of heart disease.
Animal products are low in fibre and are often high in saturated fat and cholesterol - a nutrient mix that promotes heart disease.
Which of the following statements about protein in the Canadian diet is TRUE?
Approximately two-thirds of our protein intake comes from meat, poultry, fish, eggs, dairy products and plant-based proteins, the remaining one-third comes from vegetables, fruits, and grains.
Alternate sweeteners, such as aspartame and sucralose, are:
At least 200 times as sweet as sugar.
Which of the following statements regarding bile is TRUE? A) Bile is produced and concentrated in the gallbladder. B) Bile breaks down large lipid droplets into small globules. C) Bile breaks down triglycerides into monoglycerides, fatty acids and glycerol. D) Bile creates a neutral pH to allow the pancreatic lipases to function.
Bile breaks down large lipid droplets into small globules.
With respect to management of diabetes,
Exercise increases insulin sensitivity, allowing more glucose to enter cells, with less insulin.
True or false? Both saturated fats and trans fats can reduce HDL levels.
False
Why are fatty acids "acids"? On what do physical properties of fatty acids depend?
Fatty acids are "acids" because they contain an acid group (COOH) at one end of their chain. The physical properties of fatty acids depend on their chain length, and the type (i.e., saturation) and location of double bonds
Which of the following statements regarding the metabolism of fatty acids is FALSE? A) The production of ATP from fatty acids includes beta-oxidation and the citric acid cycle. B) The production of ATP from fatty acids requires mitochondria. C) Fatty acids can be broken down to produce glucose. D) The production of ATP from fatty acids requires oxygen.
Fatty acids can be broken down to produce glucose.
A 45-year-old male at risk of cardiovascular disease consumes a 2900 -kcal per day diet containing 110 grams of fat with 20 g of linoleic acid, and 1.7 g of alpha-linolenic acid. How does his intake compare with recommendations? A) His alpha-linolenic acid intake is lower than is recommended. B) His total fat intake is higher than is recommended. C) He is meeting recommendations for total fat and essential fatty acids. D) His linoleic acid intake is lower than is recommended.
He is meeting recommendations for total fat and essential fatty acids.
Match the function in the right column with its corresponding protein in the left column.
Insulin = hormone Myosin = contraction Antibodies = Protection Hemoglobin = Transport Lactase = Enzyme Collagen = Structure
Which is most likely to happen after a meal? A) Insulin is released from the pancreas. B) Glucagon is released from the pancreas. C) Ketones are produced. D) Blood glucose levels decrease.
Insulin is released from the pancreas.
Protein quality:
Is a measure of how efficiently a protein in the diet can be used to make body proteins.
Cholesterol:
Is a precursor to , or building block of, sex hormones.
Omega-3 fat:
Is an unsaturated fat.
Which of the following choices describes the role of hydrochloric acid in protein digestion? A) It breaks down protein into smaller fragments. B) It speeds up the production of pepsin enzyme which breaks down protein. C) It increases the pH of the stomach such that pepsin enzyme works more effectively at breaking down proteins. D) It activates pepsin and denatures proteins so that pepsin breaks them down.
It activates pepsin and denatures proteins so that pepsin breaks them down.
Which of the following choices describes the role of hydrochloric acid in protein digestion? A) It disrupts the three-dimensional structure of proteins so that pepsin can more easily break them down into smaller pieces. B) It breaks down protein into smaller fragments. C) It increases the pH of the stomach such that pepsin enzyme works more effectively at breaking down proteins. D) It speeds up the production of pepsin enzyme, which breaks down protein.
It disrupts the three-dimensional structure of proteins so that pepsin can more easily break them down into smaller pieces.
Which of the following foods is likely to add both cholesterol and zinc to the diet? A) Soy milk or tofu. B) Legumes, such as chick peas or lima beans. C) Whole grains, such as wheat or oat. D) Meats, such as beef or pork.
Meats, such as beef or pork.
Which of the following foods is likely to add both cholesterol and zinc to the diet? A) Soy milk or tofu. B) Whole grains, such as wheat or oat. C) Legumes, such as chick peas or Lima beans. D) Meats, such as beef or pork.
Meats, such as beef or pork.
Which of the following foods contain a protein that is considered to be a common cause of food allergies? A) Green pepper B) Grilled chicken C) Kiwi D) Milkshake
Milkshake
What can be said of glycogen?
Muscle glycogen provides glucose to muscles; liver glycogen releases glucose into the bloodstream.
There is convincing evidence that foods high in dietary fibre reduce the risk of cancer development. What type of data is this conclusion based on? A) Cross-over trials B) Literature reviews C) Observational studies D) Clinical trials
Observational studies
Which of the following lipase enzymes is predominantly responsible for the digestion of dietary fat in adults? A) Bile B) Salivary lipase C) Gastric lipase D) Pancreatic lipase
Pancreatic lipase
Which of the following meals contains the greatest proportion of incomplete protein?
Peanut butter sandwich.
What could happen if a protein fragment was not fully broken down into amino acids before reaching the blood? A) Nothing. There are enzymes in the blood that break down small protein fragments into amino acids, so no fragments can travel through the blood. B) Small protein pieces in the blood might trigger the immune system to react to them which could result in a food allergy or an autoimmune response. C) The protein would not be able to cross through the cells of the small intestine. D) The joined amino acids could be converted to fatty acids or glucose in the blood.
Small protein pieces in the blood might trigger the immune system to react to them which could result in a food allergy or an autoimmune response.
A person wishes to lose weight while following a high protein diet plan. This person will most likely be following which recommendations for protein intake? A) The AMDR recommendation of 10 to 35 percent of all calories from protein. B) The daily values on food labels for protein. C) The RDA recommendation of .8 grams/kg of body weight of protein. D) The recommended number of servings of protein containing foods using Eating Well with Canada's Food Guide.
The AMDR recommendation of 10 to 35 percent of all calories from protein.
The Canadian Community Health Survey (CCHS) found that:
The Meat and Alternatives and Milk and Alternatives groups together accounted for approximately 50% of Canadians' total fat intake.
What would happen to a tripeptide if the central amino acid has its amino group changed or removed? A) None of the choices is correct. B) The third or most right-handed amino acid would break off. C) The first or most left-handed amino acid would break off. D) The tripeptide would be unaffected in structure.
The first or most left-handed amino acid would break off.
Why can't the human body use fibre for energy? A) Fibre is a vitamin. B) Fibre is not a macronutrient. C) Fibre is not a carbohydrate, protein or fat. D) The human body lacks enzymes to digest fibre.
The human body lacks enzymes to digest fibre
Which of the following statements best describes the liver's role in regulating blood glucose levels? A) The liver breaks down glycogen and releases glucose into the bloodstream to maintain blood glucose levels. B) The liver releases insulin and glucagon to maintain blood glucose levels. C) The liver makes amino acids when blood glucose levels fall. D) The liver absorbs and stores the remaining glucose when blood glucose levels fall.
The liver breaks down glycogen and releases glucose into the bloodstream to maintain blood glucose levels.
What will happen to a protein being synthesized if an essential amino acid is missing? A) The protein will be partially assembled but will then be broken down into amino acids without the essential amino acid. B) The protein will be partially assembled and stored until the essential amino acid becomes available. C) The cell's enzymes will produce an essential amino acid from another amino acid. D) The protein will be assembled with a substitute amino acid in place of the essential amino acid.
The protein will be partially assembled but will then be broken down into amino acids without the essential amino acid.
What will happen to a protein if the order of some of its amino acids are changed? A) The protein will break down into smaller pieces due to the amino acid changes. B) The protein may function more effectively than before. C) The protein will change shape due to the amino acid changes. D) The protein shape will not be changed by these amino acid changes.
The protein will change shape due to the amino acid changes.
A scientist wishes to substitute an amino acid in an iron-transporting protein from that of a bulky, charged side group to that of a small, uncharged side group. What effect will this have on the function of the protein? A) The protein will be unaffected by this substitution and will transport iron as well as it did before. B) The protein will be a more efficient iron transporter because it will be less bulky. C) The protein will be broken down into amino acids since the substitution will make it less stable. D) The protein will experience a change in its 3-dimensional structure which could make the protein transport iron less effectively than it did before.
The protein will experience a change in its 3-dimensional structure which could make the protein transport iron less effectively than it did before.
Dietary fat recommendations include all of the following EXCEPT:
There are no specific consequences of consuming too little dietary fat; the less we consume, the better.
What can be said of dietary fibre and bowel health?
To avoid constipation, an increase in fibre intake should be accompanied by an increase in fluid intake.
Chylomicrons transport:
Triglycerides from the small intestine to body tissues.
What is TRUE of lipoproteins?
VLDSs transport lipids from the liver to body tissues.
Which lipoprotein picks up lipids from the liver and delivers triglycerides to body cells? A) Very-low-density lipoproteins B) Chylomicrons C) High-density lipoproteins D) Low-density lipoproteins
Very-low-density lipoproteins
You want to eat healthier to prevent heart disease since high cholesterol and blood pressure run in your family. Which foods would enable you to get enough readily absorbed calcium and zinc while still keeping healthy eating in mind? A) You select white rice and bread. B) You select sausages and fried chicken. C) You select low fat milk and low fat cottage cheese. D) You select dry beans and peas.
You select low fat milk and low fat cottage cheese.
he majority of people with diabetes have the kind of diabetes that:
a and c only. Is associated with insulin resistance; Is associated with being overweight or obese.
People are discouraged from taking amino acid supplements and often told to watch instead the level of protein that they take in. This is due to the phenomenon that A) amino acids from supplements are different in chemical composition and their counterparts in foods and may cause harm to the body. B) amino acids from supplements break down more quickly than amino acids from foods and may not supply the body's cell with sufficient amounts of the amino acid. C) amino acids from supplements behave no differently than those found in food. D) amino acids from supplements may block the absorption of other essential amino acids since they are present in higher levels than they would be in foods.
amino acids from supplements may block the absorption of other essential amino acids since they are present in higher levels than they would be in foods.
People with kidney disease are discouraged from eating too much protein in their diets because A) the protein will be broken down and turned to fat, which will damage the kidneys. B) the excess amino acids will be converted to glucose, which can lead to high blood glucose that can damage the kidneys. C) amino acids will be broken down and the urea produced will be eliminated by the kidneys, which will strain them. D) the excess amino acids will block each other from being absorbed, and this will lead to amino acid deficiencies that can damage the kidneys.
amino acids will be broken down and the urea produced will be eliminated by the kidneys, which will strain them.
Animal foods have high-quality proteins. Therefore, people need fewer animal proteins than plant proteins to meet their recommendations for protein because A) the quality of protein does not affect the amount of protein needed. B) plant proteins have some peptide bonds that are harder to break down so more plant protein is needed to get the recommended amount. C) animal proteins have amino acids in combinations that are more like human proteins so are more easily made into proteins. D) all animal proteins and no plant proteins contain all of the 9 essential amino acids so less of the animal proteins are needed.
animal proteins have amino acids in combinations that are more like human proteins so are more easily made into proteins.
What is the cause of type-1 diabetes? A) pregnancy B) high-sugar diets C) autoimmune response D) lack of physical activity
autoimmune response
When dietary energy and protein intake exceeds needs, amino acids from the excess protein ...
b and c only. are converted to fatty acids and stored as triglycerides; can contribute to weight gain.
Which of the following dietary changes will help to reduce the intake of hidden fats? A) adding less butter to baked potatoes B) boiling eggs instead of frying them C) trimming the fat from steak D) removing the skin from chicken
boiling eggs instead of frying them
When the body has enough protein but not enough carbohydrates for energy, the amino acids are A) broken down and converted into fatty acids. B) not affected by the level of ATP in the cells. C) broken down and converted into glucose. D) stored for later use as energy in the cells.
broken down and converted into glucose.
An individual has the following blood lipid levels: 4.4 mmol/L cholesterol, 5.2 mmol/L LDL-cholesterol , 1.0 mmol/L HDL-cholesterol and 3.2 mmol/L triglycerides. Which of these blood lipid concentrations is considered to be low risk of cardiovascular disease? A) HDL-cholesterol B) triglycerides C) LDL-cholesterol D) cholesterol
cholesterol
Which of the following requires oxygen? A) blood glucose regulation B) glycolysis C) citric acid cycle D) none of the choices are correct
citric acid cycle
How could increasing dietary intake of vitamin E and beta-carotene help to slow the development of atherosclerosis? A) decrease the formation of oxidized low-density lipoprotein (LDL) cholesterol B) increase the permeability of arteries to low-density lipoprotein (LDL) particles C) decrease the concentration of low-density lipoprotein (LDL) cholesterol in the blood D) increase the formation of foam cells to remove oxidized low-density lipoprotein (LDL) cholesterol
decrease the formation of oxidized low-density lipoprotein (LDL) cholesterol
Which of the following is directly correlated with high added sugar intake? A) dental caries B) hyperactivity in children C) obesity D) gestational diabetes
dental caries
Which of the following dietary changes will help to reduce cholesterol intake? A) drinking almond milk instead of skim milk B) using olive oil instead of peanut oil C) using butter instead of margarine D) eating lentils instead of salmon
eating lentils instead of salmon
Which part(s) of the grain remain(s) after the refining process? A) bran B) bran and endosperm C) germ D) germ and endosperm E) endosperm
endosperm
Which is an example of a refined grain? A) enriched white bread B) steel-cut oatmeal C) apple D) turkey
enriched white bread
When excessive carbohydrate is consumed A) glucagon levels increase. B) excess glucose is converted to protein to build muscle. C) excess glucose is converted to fat for energy storage. D) energy levels increase.
excess glucose is converted to fat for energy storage.
A pregnant woman should take in enough protein to experience positive nitrogen balance. This is essential for her well-being since A) she needs to get enough B vitamins to support her nervous system. B) she needs to ensure that her energy needs are met. C) she needs to get enough protein to support her increased blood volume. D) nitrogen is the basis of the skeletal growth she will experience during pregnancy.
she needs to get enough protein to support her increased blood volume.
Which of the following is considered a completely digestible carbohydrate? A) insoluble fiber B) resistant starch C) soluble fiber D) starch
starch
Which of the following is NOT a function of liver cells in lipid metabolism? A) synthesis of cholesterol B) synthesis of triglycerides from non-lipid precursors C) synthesis of lipoprotein lipase D) elimination of cholesterol from the body
synthesis of lipoprotein lipase
The RDA for carbohydrate on the Nutrition Facts label represents A) the grams of added sugar an individual can consume per day without negative health consequences. B) the AMDR for carbohydrate. C) the amount of carbohydrate needed to prevent ketosis. D) the maximum amount of carbohydrate an individual should consume per day.
the AMDR for carbohydrate.
Ketones can be used as an energy source by tissues such as A) the heart and muscles only. B) the muscles only. C) the heart only. D) the heart, muscles and kidneys.
the heart, muscles and kidneys.
When carbohydrate intake is low, blood glucose levels can be maintained by A) the synthesis of glucose via gluconeogenesis. B) the synthesis of ketone bodies. C) the synthesis of glucose via glycolysis. D) the synthesis of glycogen.
the synthesis of glucose via gluconeogenesis.
True of false? When energy is deficient, body proteins (such as enzymes and muscle proteins) are broken down to generate ATP or glucose.
true
Fibre plays a role in preventing the development of all of the following conditions EXCEPT A) colon cancer. B) constipation. C) cardiovascular disease. D) type 1 diabetes.
type 1 diabetes.
When salivary amylase enters the stomach, it no longer functions to break down starch into smaller pieces. This loss of enzyme function is a result of the A) refolding of the enzyme into a new shape with a different function. B) unfolding or denaturation of the enzyme's natural shape. C) change in the sequence of the amino acids that make up the enzyme. D) amylase enzyme is broken down into small pieces just by the presence of the stomach acid.
unfolding or denaturation of the enzyme's natural shape.
Hydrogenation changes the characteristics of an oil by converting A) non-essential fatty acids into essential fatty acids. B) medium-chain fatty acids into long-chain fatty acids. C) unsaturated fatty acids into saturated fatty acids. D) saturated fatty acids into trans fatty acids.
unsaturated fatty acids into saturated fatty acids.
Eve is having an allergic reaction after eating a piece of bread. The allergy is most likely caused by the consumption of A) fibre. B) aspartame. C) wheat protein. D) carbohydrates.
wheat protein.
