BIO220 Topic 8 Graded Quiz

10 Jun BIO220 Topic 8 Graded Quiz

Question
Question 1

2.50 points out of 2.50

Question text

Which of the following statements is true?

Select one:

a. Catabolic reactions are synthesis reactions.

b. Anabolic reactions are involved in the production of proteins from amino acids.

c. The energy derived from anabolism is used to drive catabolism.

d. Anabolic reactions release energy.

e. Catabolic reactions consume energy.

Question 2

2.50 points out of 2.50

Question text

Which of the following individuals is most likely to be in a negative nitrogen balance?

Select one:

a. a healthy pregnant woman

b. a 10-year-old child

c. an adult woman with adequate protein intake

d. an elderly homeless man

e. a healthy adult man who exercises

Question 3

2.50 points out of 2.50

Question text

The diagram illustrates ATP coupling of catabolic and anabolic reactions. What does “D” represent?

Select one:

a. ATP breakdown

b. anabolism

c. catabolism

d. ATP production

Question 4

2.50 points out of 2.50

Question text

The electron transport chain

Select one:

a. results in the formation of ATP.

b. converts acetate to ketone bodies.

c. converts glucose to fatty acids.

d. converts fatty acids to glucose.

e. removes a phosphate from ATP.

Question 5

2.50 points out of 2.50

Question text

Which of the following statements is true?

Select one:

a. The primary role of carbohydrates is to serve as an energy source.

b. Carbohydrates include sugars, starches, and amino acids.

c. Maltose is a complex carbohydrate.

d. Sucrose is the primary source of energy for most cells.

e. Most carbohydrates come from animal products.

Question 6

2.50 points out of 2.50

Question text

Proteins regulate the acid-base balance of the blood by

Select one:

a. acting as buffers.

b. releasing nitrogen.

c. transporting iron.

d. binding sodium ions.

e. removing carbon dioxide from the blood.

Question 7

2.50 points out of 2.50

Question text

Which of the following is an example of convection?

Select one:

a. infra-red radiation

b. sweating

c. exposure of the body to cold air

d. warming a chair by sitting in it

e. losing water to the air

Question 8

2.50 points out of 2.50

Question text

Water-soluble vitamins include

Select one:

a. vitamin A.

b. vitamin C.

c. vitamin D.

d. vitamin K.

e. vitamin E.

Question 9

2.50 points out of 2.50

Question text

The formation of triglycerides is called

Select one:

a. glycogenesis.

b. lipogenesis.

c. gluconeogenesis.

d. ketogenesis.

e. beta-oxidation.

Question 10

2.50 points out of 2.50

Question text

Phospholipids

Select one:

a. are found in cell membranes.

b. are used as an energy source by cells.

c. can be modified to form cholesterol.

d. are involved in the process of inflammation.

e. are found inside organelles.

Question 11

2.50 points out of 2.50

Question text

Amino acids can be used as a source of energy

Select one:

a. by converting them into nucleic acids.

b. by subjecting them to oxidative deamination.

c. in the process of transamination.

d. by converting them to ethanol.

e. and can be stored in the body.

Question 12

2.50 points out of 2.50

Question text

Transamination

Select one:

a. results in free fatty acids.

b. requires glucose.

c. can be used to synthesize essential amino acids.

d. involves removing an amine group from an amino acid.

e. directly produces urea.

Question 13

2.50 points out of 2.50

Question text

The BMR (basal metabolic rate) can increase

Select one:

a. during fasting.

b. during pregnancy.

c. as a result of decreased thyroid hormone production.

d. while resting instead of studying for a test.

e. during dieting.

Question 14

2.50 points out of 2.50

Question text

Fatty acids are catabolized in a process called

Select one:

a. glycolysis.

b. lipogenesis.

c. beta oxidation.

d. gluconeogenesis.

e. ketogenesis.

Question 15

2.50 points out of 2.50

Question text

If energy intake is greater than energy output, an individual will tend to

Select one:

a. gain weight.

b. lose weight.

c. neither gain nor lose weight.

Question 16

2.50 points out of 2.50

Question text

Excess triglycerides are stored in adipose tissue. Adipose tissue functions

Select one:

a. to assist the body in temperature homeostasis.

b. pads and protects.

c. energy storage.

d. insulates.

e. All of these choices are .

Question 17

2.50 points out of 2.50

Question text

The production of protein by cells is an example of

Select one:

a. anabolism.

b. catabolism.

c. glycolysis.

d. phosphorylation.

e. decomposition.

Question 18

2.50 points out of 2.50

Question text

The primary source of energy for most cells is

Select one:

a. sucrose.

b. fructose.

c. glucose.

d. maltose.

e. lactose.

Question 19

2.50 points out of 2.50

Question text

The sum of all chemical reactions that occur in the body is known as

Select one:

a. absorption.

b. metabolism.

c. digestion.

d. catabolism.

e. anabolism

Question 20

2.50 points out of 2.50

Question text

What amino acid is usually formed from the transamination of another amino acid?

Select one:

a. serine

b. glycine

c. aspartic acid

d. glutamic acid