Enzymes

Question 1

Enzymes ______ reactions

Answer 1

Speed up

Question 2

What helps humans to regulate body temperature?

Answer 2

Endotherms

Question 3

Why are endotherms useful for enzyme activity?

Answer 3

Endotherms regulate body temperature to allow enzyme activity to function

Question 4

Enzyme function depends on….

Answer 4

Shape

Question 5

Where does the reaction take place in an enzyme?

Answer 5

Active site

Question 6

What must be maintained for enzyme activity to work?

Answer 6

Tertiary structure

Question 7

A change in pH or rise in temperature causes what to occur?

Answer 7

Bonds are strained

Question 8

‘The minimum energy required to start a reaction’ is the definition of what?

Answer 8

Activation energy

Question 9

True or false: Breaking bonds requires energy

Answer 9

True

Question 10

Does making bonds release or require energy?

Answer 10

Release

Question 11

Name 2 characteristics of the Lock and Key model

Answer 11

Active site and substrate are specifically shaped
1 active site fits 1 substrate
Unique shape

Question 12

Name the definition of the Induced fit model

Answer 12

3D shape of protein changes to fit substrate by straining the bonds of enzyme

Question 13

‘A consistent set of results with little spread around the mean’ is the definition of what?

Answer 13

Precision

Question 14

Accuracy is the ability to __________

Answer 14

Get a result close to the exact value

Question 15

True or false?

‘Validity is when the investigation is very safe with no dangers’

Answer 15

False

It is when the suitable investigation is chosen to answer the question

Question 16

It is important to include what in an evaluation?

Answer 16

Positives and Negatives