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Enzymes and properties of water 18.11 and 18.12 quiz

Authored by Jennifer Doxey

Biology

9th - 12th Grade

Used 1+ times

Enzymes and properties of water 18.11 and 18.12 quiz
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10 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Enzymes are an example of

lipids

carbohydrates

protein

nucleic acid

2.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

What is a substance called if it speeds up a chemical reaction?

reusable

catalyst

specific

fragile

3.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Media Image

In the diagram, what is letter A?

product

enzyme-substrate complex

substrate

active site

4.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

An enzyme speeds up a reaction by

raising the activation energy

lowering the activation energy

releasing energy

absorbing energy.

5.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

What happens to an enzyme when it is denatured?

Activation energy is lowered

It becomes stronger

It loses its shape

Activation energy is raised

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

What word describes when water is attracted to other substances?

cohesion
adhesion
capillary action
surface tension

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Which end of the water molecule has a slightly positive charge?

the oxygen end
the hydrogen end
both ends are slightly positive
neither end is positive

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