Duplicate of Get it Going with Enzymes

Question 1

In living organisms, catalysts are called ENZYMES.

Accepted Answer

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

Question 2

Enzymes can be changed/damaged by...

Accepted Answer

both temperature and pH

Question 3

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

Accepted Answer

substrate

Question 4

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

Accepted Answer

protein; catalyst

Question 5

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

Accepted Answer

metabolism

Question 6

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

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

Question 7

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

Accepted Answer

lower; speed

Question 8

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

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

Accepted Answer

whole grain bread

Question 10

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

Accepted Answer

activation energy

Question 11

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 12

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

Accepted Answer

the products

Question 13

After an enzyme catalyzes a reaction, it...

Accepted Answer

is unchanged and can be recycled

Question 14

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

Accepted Answer

TRUE

Question 15

After an enzyme catalyzes a reaction, it...

Accepted Answer

is unchanged and can be recycled

Question 16

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

Accepted Answer

a chemical reaction

Question 17

Sometimes a reaction must absorb energy to happen.

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

Question 18

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

Accepted Answer

True

Question 19

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

Accepted Answer

TRUE

Question 20

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

Accepted Answer

TRUE

Question 21

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

Accepted Answer

protein

Question 22

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

Accepted Answer

activation energy

Question 23

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

Accepted Answer

Got it., Can we go back?

Question 24

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

Accepted Answer

release

Question 25

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

Accepted Answer

amylase

Question 26

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

Accepted Answer

digestion

Question 27

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

Accepted Answer

a chemical reaction

Question 28

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

Accepted Answer

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

Question 29

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.

Duplicate of Get it Going with Enzymes

Questions 29

Duplicate of Get it Going with Enzymes

Questions 29