Module 1: Enzymes - needs lots of work

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

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!

Question 3

After an enzyme catalyzes a reaction, it...

Accepted Answer

is unchanged and can be recycled

Question 4

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 5

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

Accepted Answer

whole grain bread

Question 6

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

Accepted Answer

True

Question 7

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

Accepted Answer

TRUE

Question 8

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

Accepted Answer

a chemical reaction

Question 9

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

Accepted Answer

protein; catalyst

Question 10

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 11

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

Accepted Answer

substrate

Question 12

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

Accepted Answer

amylase

Question 13

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

Accepted Answer

Can we go back?, Got it.

Question 14

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

Accepted Answer

lower; speed

Question 15

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

Accepted Answer

protein

Question 16

Enzymes can be changed/damaged by...

Accepted Answer

both temperature and pH

Question 17

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

Accepted Answer

digestion

Question 18

After an enzyme catalyzes a reaction, it...

Accepted Answer

is unchanged and can be recycled

Question 19

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

Accepted Answer

metabolism

Question 20

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

Accepted Answer

TRUE

Question 21

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

Accepted Answer

protein; catalyst

Question 22

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

Accepted Answer

activation energy

Question 23

Some chemical reactions build things up, and some reactions break things down.

Accepted Answer

TRUE

Question 24

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

Accepted Answer

stops working, loses its shape

Question 25

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

Accepted Answer

the products

Module 1: Enzymes - needs lots of work

Questions 25

Module 1: Enzymes - needs lots of work

Questions 25