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Long Test for Biology 1

Total questions: 30

Worksheet time: 25mins

Name
Class
Date
1.

Which biomolecule is made of nucleotides and contain your DNA?

(a)  

2.

Which biomolecule functions include enzymes­ which speeds the rate of chemical reactions, structural components in cells, mechanical functions in muscles and cytoskeleton, cell signaling, and immune response; provides structure and helps with chemical reactions 

(a)  

3.

Which biomolecule is important source of energy for humans; glucose for human cells, tissues, and organs; provides fiber, sugar, and starches; provides structural support, cell wall, and cell membrane maker?

(a)  

4.

Which biomolecule includes fats, such as triglycerides, oils, waxes, and steroids (cholesterol); insoluble in water; provides energy storage, insulation, part of cell membrane, and hormones 

(a)  

5.

What is the monomer for a protein?

(a)  

6.

What is the monomer of nucleic acids?

(a)  

7.
Which biomolecule has sugars and starches?
a)
Lipids
b)
Proteins
c)
Carbohydrates
d)
Nucleic Acid
8.

Seen on the image is a carbohydrate. Where would this biomolecule be used for?

a)
Building enzymes
b)
Storing energy
c)
Key source of energy
d)
Storing genetic information
9.
Lipids are made up of which of the following?
a)
glycerol and fatty acids tails
b)
glycerol and monolipids
c)
fatty acids and phosolipids
d)
amino acids and nucleotides
10.

The four most common elements found in biomolecules are:

a)
Carbon, Nitrogen, Phosphorus, Bromine
b)
Sulfur, Nitrogen, Iron, Carbon
c)
Sulfur, Phosphorus, Carbon, Oxygen 
d)
Carbon, Oxygen, Nitrogen, Hydrogen
11.

When our body converts food into energy, there are series of chemical reactions involved. These are collectivly known as

(a)  

12.

The energy released in catabolic reactions are being used in anabolic reactions. These energy are stored in

(a)  

13.

The following define/describes anabolism, except.

a)

construct things

b)

consume energy

c)

monomers forming biolomelecules

d)

None of the above

14.

Which of the following best describes a catabolic reaction?

a)

Breaking down of molecules and release of energy

b)

monomers forming biolomelecules

c)

Breaking down of molecules and consumption of energy

d)

Building up of molecules and release of energy

15.

Which is not included in the group?

a)

Production of hormones necessary for certain organs to perform their functions.

b)

Mineralization of bones from inorganic substances

c)

Breakdown of nucleic acids into nucleotides for transmitting genetic information

d)

Cell reproduction, where cells multiply to increase tissue size

16.

When cells multiply to increase tissue size. This is an example of

a)

Catabolism

b)

Anabolism

17.

When polysaccharides turn into monosaccharides. This is an example of

a)

Catabolism

b)

Anabolism

18.

When nucleic acids turn into nucleotides for transmitting genetic information. This is an example of

a)

Catabolism

b)

Anabolism

19.

The process of turning amino acids into proteins is an example of

a)

Catabolism

b)

Anabolism

20.

When food is processed in the stomach, allowing nutrients be absorbed by our body. This is an example of

a)

Catabolism

b)

Anabolism

21.

Enzymes are from which type of biomolecules?

a)
nucleic acids
b)
proteins
c)
lipids
d)
carbohydrates
22.
What is the function of an enzyme?
a)
enzymes break themselves into small pieces
b)
enzymes slow down chemical reactions
c)
enzymes speed up chemical reactions
d)
enzymes combine products to form reactants 
23.
With what 3 letters do enzymes typically end?
a)
-ose
b)
-ase
c)
-ese
d)
-tic
24.

Any substance that is acted upon by an enzyme is called a?

a)
Coenzyme
b)
Substrate
c)
Vitamin
d)
Polypeptide
25.

What happens when enzymes are heated to a high temperature?

a)

The enzymes die.

b)

The shapes of the enzyme are altered.

c)

The enzymes' amino acid sequence changes.

d)

The enzymes remain the same

26.
The graph shows how enzymes affect reactions in cells. Which statement best summarizes the information shown in the graph?
a)
Enzymes increase the energy of the reactants.
b)
Enzymes decrease the energy level of the products.
c)
Enzyme decrease the activation energy of the reaction.
d)
Enzymes reverse the direction of the reaction.
27.

What is shown in the image?

a)
product
b)
substrate
c)
enzyme-substrate complex
d)
active site
28.

The following are factors affecting enzymatic speed, except

a)

Temperature

b)

Enzyme size

c)

Optimal pH

d)

Enzyme inhibitors

29.

When an apoenzyme is inactive, it can be called as

a)

cofactor

b)

holoenzyme

c)

proenzyme

d)

coenzyme

30.

Cofactors assist apoenzymes in their biological activities. Which of the the following are types of cofactors?

a)

Prosthetic cofactors

b)

Metal ion activators

c)

Coenzymes

d)

All of the above