bio quiz

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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.


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