Get it Going with Enzymes

Question 1

Tie it together. This enzyme would be good for digesting...

Accepted Answer

whole grain bread

Question 2

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

Accepted Answer

activation energy

Question 3

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

Accepted Answer

TRUE

Question 4

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

Accepted Answer

a chemical reaction

Question 5

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

Accepted Answer

release

Question 6

In fact, each enzyme works best at a particular temperature and pH.

Accepted Answer

Got it., Can we go back?

Question 7

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

Accepted Answer

metabolism

Question 8

After an enzyme catalyzes a reaction, it...

Accepted Answer

is unchanged and can be recycled

Question 9

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

Accepted Answer

TRUE

Question 10

After an enzyme catalyzes a reaction, it...

Accepted Answer

is unchanged and can be recycled

Question 11

Sometimes a reaction must absorb energy to happen.

Accepted Answer

OK. Plants need energy from the sun to make sugar., Why does the reaction need energy?

Question 12

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

Accepted Answer

protein; catalyst

Question 13

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

Accepted Answer

True

Question 14

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

Accepted Answer

lower; speed

Question 15

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

Accepted Answer

Your body's chemical reactions have slowed down., The fever has damaged your enzymes.

Question 16

Review from this past week. Enzymes are a type of...

Accepted Answer

protein

Question 17

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

Accepted Answer

substrate

Question 18

In this example, the enzyme is (HINT -ase)...

Accepted Answer

amylase

Question 19

A CATALYST is a molecule that speeds up a chemical reaction by LOWERING the activation energy.

Accepted Answer

OK. It's like giving someone a helping hand., What's activation energy?

Question 20

Let's review. ALL chemical reactions require a little energy to get STARTED. This is called the

Accepted Answer

activation energy

Question 21

In living organisms, catalysts are called ENZYMES.

Accepted Answer

OK. Enzymes make life happen a lot easier., What's an enzyme?

Question 22

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

Accepted Answer

a chemical reaction

Question 23

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

Accepted Answer

loses its shape, stops working

Question 24

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

Accepted Answer

digestion

Question 25

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

Accepted Answer

the products

Question 26

Enzymes can be changed/damaged by...

Accepted Answer

both temperature and pH

Question 27

Chemical reactions are represented by equations. The reactants are on the LEFT of the equation

Accepted Answer

OK. They're the things doing the REACTING., I'm a little confused.

Question 28

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

Accepted Answer

protein; catalyst

Question 29

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

Accepted Answer

TRUE

Get it Going with Enzymes

Questions 29

Get it Going with Enzymes

Questions 29