25 question | Nursing School Essays

in /by

25 question | Nursing School Essays

April 13, 2021/in Science Homework Help /by admin
QUESTION 1

Enzymes (Check all that apply.)

QUESTION 2

Enzymes are consumed in chemical reactions and must therefore be replenished
TrueFalse

QUESTION 3

Which of the following best describe what enzymes are and how they are used?

QUESTION 4

Altering the three-dimensional structure of an enzyme might

QUESTION 5

Imagine that you are observing an enzyme-catalyzed reaction in lab. Every time you add more enzyme, the reaction rate increases proportionally until the reaction rate suddenly levels off. No other chemicals were added, and no modifications were made in the experimental setting. Why do you think the reactionn rate stopped increasing? @ As a reaction rate increases, eventually all available substrate molecules will be bound to enzymes, or all available enzymes will be bound to substrate. The reaction will be substrate-limited or enzyme-limited. When all available molecules of either enzyme or substrate are bound, saturation occurs, and at this point the reaction rate will level off. To keep increasing the reaction rate, the levels of available substrate or enzyme must increase. In the above example, additional enzyme was added, so substrate must have been the limiting factor.

QUESTION 6

As the amount of substrate is increased in an enzyme-substrate reaction,

QUESTION 7

A given enzyme works on

QUESTION 8

_________ can change the active site of an enzyme and alter its function

QUESTION 9

The pH can affect the activity of an enzyme controlled reaction by (Check all that apply)

QUESTION 10

The two data curves on the figure illustrate that

QUESTION 11

The active site of an enzyme (Check all that apply)

QUESTION 12

How does an enzyme work to catalyze a reaction?

QUESTION 13

The shape of an enzyme determines its function.
TrueFalse

QUESTION 14

An increase in enzyme or substrate concentration will

QUESTION 15

How can you determine the optimum pH of an enzyme?

QUESTION 16

Enzyme activity can be determined in the following ways:

QUESTION 17

As the concentration of an enzyme increases for a given substrate,

QUESTION 18

Enzymes are

QUESTION 19

Catalase activity can be determined by

QUESTION 20

How does the concentration of the substrate in an enzyme-controlled chemical reaction change over time?

QUESTION 21

Check all of the following statements that are true.

QUESTION 22

What may affect the rate of an enzyme-driven reaction? (Check all that apply.)@ Altering any of these variables may make an enzyme function less than optimally.

QUESTION 23

In a catalase controlled experiment, the negative control can be shown by

QUESTION 24

The primary function of an enzyme or any biological catalyst is to

QUESTION 25

In a catalase controlled experiment, the specificity of catalase can be shown by comparing

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