Enzymes

Question 1

Enzymes are involved in many important bodily functions, such as...

Accepted Answer

digestion

Question 2

T/F Enzymes are specifically shaped to fit with only 1 type of substrate.

Accepted Answer

TRUE

Question 3

But ALL chemical reactions require a little energy to get STARTED. This is called the...

Accepted Answer

activation energy

Question 4

Catabolic reactions ______ energy, usually as heat or light, when they happen.

Accepted Answer

release

Question 5

After an enzyme catalyzes a reaction, it...

Accepted Answer

is unchanged and can be recycled

Question 6

An enzyme is a molecule that speeds up a chemical reaction by LOWERING the activation energy.

Accepted Answer

True

Question 7

Things that throw off our metabolism can affect our ability to keep homeostasis.

Accepted Answer

True

Question 8

Promise! One last time, enzymes are a type of ___ that work as a ___ to speed up reactions in our body.

Accepted Answer

protein; catalyst

Question 9

Moving on. Take a look. When a reactant(s) joins up with an enzyme, we call the reactant a..

Accepted Answer

substrate

Question 10

T/F: Some chemical reactions build things up, and some reactions break things down.

Accepted Answer

TRUE

Question 11

Enzymes can be changed/damaged by...

Accepted Answer

both temperature and pH

Question 12

One more time! ALL chemical reactions require a little energy to get STARTED. This is called the

Accepted Answer

activation energy

Question 13

In living organisms, catalysts are called ENZYMES.

Accepted Answer

True

Question 14

All of the chemical reactions in our body make up our...

Accepted Answer

metabolism

Question 15

Take a look. If the reactants are on the left of the equation, what's on the RIGHT?

Accepted Answer

the products

Question 16

When the temperature or pH goes out of the enzyme's working range, the enzyme denatures, or ...

Accepted Answer

stop working (loses its shape)

Question 17

A process that forms new chemical substances or breaks down a chemical substance is...

Accepted Answer

a chemical reaction

Question 18

If enzymes are a type of catalyst, then enzymes ___ activation energy & ___ up reactions

Accepted Answer

lower; speed

Question 19

After an enzyme catalyzes a reaction, it...

Accepted Answer

is unchanged and can be recycled

Question 20

One last time, enzymes are a type of ___ that work as a ___ to speed up reactions in our body.

Accepted Answer

protein; catalyst

Question 21

Hi! I'm back again! A process that forms new chemical substances or breaks down a chemical substance is...

Accepted Answer

a chemical reaction

Question 22

Apply. What do you feel sluggish when you have a fever?

Accepted Answer

The fever has damaged your enzymes.

Question 23

Look again. T/F Enzymes are specifically shaped to fit with only 1 type of substrate.

Accepted Answer

TRUE

Enzymes

Questions 23

Enzymes

Questions 23