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Bio Test 1 Review

Total questions: 22

Worksheet time: 11mins

Name
Class
Date
1.

Enzymes are an example of

a)

Lipids

b)

Carbohydrate

c)

Protein

d)

Nucleic Acid

2.
What is the purpose  of an enzyme?
a)
give permission for the reaction
b)
raise activation energy
c)
speed up reactions
d)
control how many reactions occur
3.
Any substance that is acted upon by an enzyme is called a(n)?
a)
Coenzyme
b)
Substrate
c)
Vitamin
d)
Polypeptide
4.
An enzyme speeds up a chemical reaction in the cell but can only be used once.  True or False? 
a)
true
b)
false
5.
What happens when enzymes are heated to a high temperature?
a)
The enzymes die.
b)
The shapes of the enzyme are altered or denatured
c)
The enzymes' amino acid sequence changes.
d)
The enzymes remain the same
6.
Which of the following conclusions can be drawn from this graph?
a)
The optimum pH of the enzyme is 6.6.
b)
The optimum pH of the enzyme is 5.8
c)
The enzyme’s activity increases as pH increases 5.0 to 9.0
d)
The enzyme’s activity is greater around pH of 8.0 .
7.

This macromolecule is in charge of storing genetic information.

a)

Protein

b)

Carbohydrate

c)

Nucleic Acid

d)

Lipid

8.

This macromolecule is a fat and stores energy as well as making cell membranes.

a)

Nucleic Acids

b)

Carbohydrates

c)

Lipids

d)

Proteins

9.

These macromolecules are a source of quick energy and are commonly known as sugars (like fructose and sucrose).

a)

Nucleic Acids

b)

Proteins

c)

Lipids

d)

Carbohydrates

10.

Ms. Julien is experiencing hypoglycemia (low blood sugar). Which type of macromolecule should she consume?

a)

Lipid

b)

Carbohydrate

c)

Protein

d)

Nucleic Acid

11.

Ms. Julien needs to build muscle mass in order to be a better swimmer. Which type of macromolecule is going to be most helpful with building muscle?

a)

Carbohydrate

b)

Lipid

c)

Protein

d)

Nucleic Acid

12.
The element _______is found in all of the organic compounds.
a)
Iron
b)
Nitrogen
c)
Carbon
d)
Oxygen
13.
DNA and RNA are examples of 
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
14.
A claim is ______________________________.
a)
a kind of shellfish often used in chowder. 
b)
a fact.
c)
a statement or conclusion that answers the original question or problem
d)
a bad thing to make about something.
15.

Evidence is ___________________

a)

A statement or conclusion that answers a question

b)

Scientific data, quotes, paraphrasing, or statistics that support the claim

c)

A justification that connects the claim to the evidence

d)

Not vital when using an argument

16.
Reasoning is __________________.
a)
A statement of conclusion that answers the original question/problem
b)
Scientific data that supports the claim
c)
A justification that connects the evidence to the claim
d)
Empirical Evidence
17.

"I like KFC more than McDonalds!"

Is this a claim, evidence or reasoning?

a)

Claim

b)

Evidence

c)

Reasoning

18.

"Rhinos have horns"

Is this a claim, evidence or reasoning?

a)

Claim

b)

Evidence

c)

Reasoning

19.

What is the claim?

Mass does not affect how quickly an object falls. In our experiment, the blocks had different masses, 20 g., 30 g., 44 g., 123 g and 142 g but the time for all five blocks to fall was about the same. It took between 1.5 and 1.8 seconds for them to fall. Since the blocks had different masses but took about the same time, I know that mass does not affect how quickly something falls.

a)

In our experiment, the blocks had different masses, 20 g., 30 g., 44 g., 123 g and 142 g but the time for all five blocks to fall was about the same. It took between 1.5 and 1.8 seconds for them to fall.

b)

Mass does not affect how quickly an object falls.

c)

Since the blocks had different masses but took about the same time, I know that mass does not affect how quickly something falls.

20.

What is the evidence?


Mass does not affect how quickly an object falls. In our experiment, the blocks had different masses, 20 g., 30 g., 44 g., 123 g and 142 g but the time for all five blocks to fall was about the same. It took between 1.5 and 1.8 seconds for them to fall. Since the blocks had different masses but took about the same time, I know that mass does not affect how quickly something falls.

a)

In our experiment, the blocks had different masses, 20 g., 30 g., 44 g., 123 g and 142 g but the time for all five blocks to fall was about the same. It took between 1.5 and 1.8 seconds for them to fall.

b)

No, mass does not affect how quickly an object falls.

c)

Since the blocks had different masses but took about the same time, I know that mass does not affect how quickly something falls.

21.

What is the reasoning?


Mass does not affect how quickly an object falls. In our experiment, the blocks had different masses, 20 g., 30 g., 44 g., 123 g and 142 g but the time for all five blocks to fall was about the same. It took between 1.5 and 1.8 seconds for them to fall. Since the blocks had different masses but took about the same time, I know that mass does not affect how quickly something falls.

a)

In our experiment, the blocks had different masses, 20 g., 30 g., 44 g., 123 g and 142 g but the time for all five blocks to fall was about the same. It took between 1.5 and 1.8 seconds for them to fall.

b)

No, mass does not affect how quickly an object falls.

c)

Since the blocks had different masses but took about the same time, I know that mass does not affect how quickly something falls.

22.
Life is entirely based on which element?
a)
oxygen
b)
sodium
c)
carbon
d)
iron