bio quiz
How many carbons make up this molecule? (pentagon)
5
EXTRA CREDIT QUESTION Name the bond that is formed between two monosaccharides when a disaccharde is formed.
Glycosidic bond
These are all properties of a disaccharide EXCEPT: a. Made up of two surgars b. Two monosaccharides joined by dehydration synthesis c. Surcose d. A 1:2:1 ratio
d. A 1:2:1 ratio
Which of the following is NOT a disaccharide? a. Sucrose b. Maltose c. Lactose d. All of the above are disaccharides
d. All of the above are disaccharides
The biochemical reaction below is a _______. a. Hydrolysis reaction b. Dehydration reaction
a. Hydrolysis reaction
Glucose is an example of a. Monosaccharide b. Disaccharide c. Polysaccharide
a. Monosaccharide
Which molecule is produced from the synthesis of glucose and fructose? a. Sucrose b. Chitin c. Galactose d. None of these
a. Sucrose
Chitin is a polysaccharide that is found in the outer exoskeloton of insects and crabs. a. True b. False
a. True
Lactose is a disaccharide that consists of glucose and galactose. a. True b. False
a. True
The molecular formula for glucose of C6H12O6. What would be the molecular formula for a molcule made by linking three glucose molecules together by dehydration reactions? a. C18H36O18 b. C18H32O16 c. C6H10O20 d. C18H30O15
b. C18H32O16
Which polysaccharide is unable to be broken down and digested by the body? a. Glycogen b. Cellulose c. Lactose d. Galactose
b. Cellulose
Animals are able to store energy in both starch and glycogen. a. True b. False
b. False
Which of the following best summarizes the relationship between dehydration synthesis and hydrolysis? (2 answers) a. Dehydration synthesis reactions assemble polymers, and hydrolysis reactions break down polymers. b. Macromolecular synthesis occurs through the removal of water and digestion occurs through the addition of water. c. Dehydration synthesis reactions can occur only after hydrolysis.
both a & b a. Dehydration synthesis reactions assemble polymers, and hydrolysis reactions break down polymers. b. Macromolecular synthesis occurs through the removal of water and digestion occurs through the addition of water.
Good sources of carbohydrates are: a. Fats, Oils, Butter, and Nitro coffee b. Fish, Eggs, Beef, Pork, and Creatine c. Cereals, Fruits, Vegetables, and Breads d. Green Leafy vegetables, Seafood, and Water
c. Cereals, Fruits, Vegetables, and Breads
What two groups are removed from monosaccharides to form disaccharides or polysaccharides? a. Water and Oxygen b. Carbon and Hydrogen c. Hydrogen and Hydroxyl group c. Water and Carbon
c. Hydrogen and Hydroxyl group
The element Carbon is associated with living things and forms _______ covalent bonds. a. 1 b. 2 c. 3 d. 4
d. 4
The six most abundant elements that make up living organisms are: a. Carbon, Hydrogen, Oxygen, Sodium, Phosphorus, Nitrogen b. Nitrogen, Carbon, Hydrogen, Oxygen, Sulfur, Phosphorus c. Hydrogen, Nitrogen, Calcium, Oxygen, Sulfur, Phosphorus d. Carbon, Sulfur, Phosphorus, Oxygen, Hydrogen, Nitrogen
d. Carbon, Sulfur, Phosphorus, Oxygen, Hydrogen, Nitrogen
The individual units that bond together in order to make up a polymer or macromolecule are called ________. a. Atoms b. Hydrolysis c. Monomials d. Monomers
d. Monomers
Glycogen is an example of a _________ and it functions in energy storage in _______. a. Monosarccharide; animals b. Polysaccharide; plants c. Monosaccharide; plants d. Polysaccharide; animals
d. Polysaccharide; animals
Cellulose is the most abundant organic compound on Earth. Its main function is ____________. a. To store genetic information b. As a storage compound for energy in plant cells c. As a storage compound for energy in animal cells d. To provide mechanical strength to plant cell walls.
d. To provide mechanical strength to plant cell walls.