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MD Macromolecule and Enzyme Test

Last updated almost 6 years ago

16 questions

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Question 1

1.

nucleic acid

carbohydrate

lipid

protein

Question 2

2.

hydrolysis of fats

synthesis of polysaccharide

hydrolysis of a carbohydrate

deamination of amino acids

Question 3

3.

Graph (3)

Graph (4)

Graph (1)

Graph (2)

Question 4

4.

digestion

aerobic respiration

dehydration synthesis

enzymatic hydrolysis

Question 5

5.

A and B

C and D

B and C

A and D

Question 6

6.

Which statement best describes enzymes?

Every enymes controls many different reactions

Temperature changes do not affect enzymes

The rate of the activity of an enzyme might change as the pH changes

Enzymes are produced from the building blocks of carbohydrates

Question 7

7.

increases, then decreases

remains the same

increases

decreases

Question 8

8.

State what would most likely happen to the rate of enzyme action if the temperature were reduced by 10 degrees. Support your answer

Question 9

9.

Pepsin works best in which type of environment?

neutral

basic only

sometimes acidic, sometimes basic

acidic, only

Question 10

10.

Neither enzyme works at a pH of

5

13

1

3

Question 11

11.

The dipeptide would digest faster

The amino acids would combine slower or not at all

The amino acids would combine faster

The dipeptide would digest slower or not at all

Question 12

12.

Which list of molecules is arranged in order of decreasing size?

oxygen, glucose, sucrose, starch

oxygen, starch, glucose, sucrose 

starch, glucose, sucrose, oxygen

sucrose, oxygen, starch, glucose

Question 13

13.

Cellulose is formed from glucose molecules by a process known as

cellular respiration

photosynthesis

hydrolysis

dehydration synthesis

Question 14

14.

Question 15

15.

An excess of enzyme X was present, resulting in a decrease in the production of substance B

Excess energy for step 2 prevented the conversion of substance B to substance C

A mutation occurred causing the change in the ability of the cell to use substance C

Nuclear DNA was altered resulting in the cell being unable to make enzyme Y

Question 16

16.

Which condition is necessary for enzymes and hormones to function properly in the human body?

These chenicals must be able to replicate

Body pH must be above 10

Body Temperature must be above 40 C

These chemicals must have a specific shape