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Biology 10th B Quiz 1

Total questions: 35

Worksheet time: 20mins

Name
Class
Date
1.
Give examples of a saturated and an unsaturated fat
4 lines
2.
Why is carbon considered the element of life?
4 lines
3.
Which of the following is not a polymer?
a)
carbohydrates
b)
lipids
c)
proteins
d)
nucleic acids
4.
What macromolecule is this
a)
lipid
b)
carbohydrate
c)
protein
d)
nucleic acid
5.
Which of the following is true regarding saturated fatty acids?
a)
They are the principal molecules in lard and butter
b)
They are the predominant fatty acid in corn oil.
c)
They have double bonds between carbon atoms of the fatty acids.
d)
They are usually liquid at room temperature.
e)
They are usually produced by plants.
6.
Which of the following is true regarding saturated fatty acids?
a)
They are the principal molecules in lard and butter
b)
They are the predominant fatty acid in corn oil.
c)
They have double bonds between carbon atoms of the fatty acids.
d)
They are usually liquid at room temperature.
e)
They are usually produced by plants.
7.
What is organic chemistry?
a)
chemistry with biology
b)
the study of any compound that contains carbon
c)
the study of living things
8.
Proteins are made of monomers called ___________
a)
Nucleotides
b)
Monosaccharides
c)
Amino Acids
d)
Glycerol and fatty acids
9.
If you are looking for the quickest source of energy, you should eat a food that contains a high percentage of:
a)
carbohydrates
b)
fat
c)
proteins
d)
sodium
10.
This macromolecule makes up the inner region of the cell membrane.
a)
carbohydrates
b)
lipids
c)
proteins
d)
nucleic acids
e)
11.
Carbohydrates are made of...
a)
C H O N
b)
C H O P
c)
C H O N P
d)
C H O N S
e)
CHO
12.

What are the monomers of carbohydrates called

(a)  

13.
Lactose, a sugar in milk, is composed of one glucose molecule joined by a glycosidic linkage to one galactose molecule. How is lactose classified?
a)
a disaccharide
b)
a pentose
c)
a monosaccharide
d)
a hexose
e)
a polysaccharide
14.

What is the bond between glycerol and a fatty acid called?

(a)  

15.

What monomer is represented in the figure

(a)  

16.

Chitin is found in the exoskeleton of arthropod. What group does this molecule belong to?

(a)  

17.
What is the difference between a polypeptide and a protein?
4 lines
18.

What is the name of the reaction that occurs when two monomers bond together through the loss of a water molecule

(a)  

19.
Which of the following bonds are formed between the amino acids?
a)
glycosidic linkage
b)
ester linkage
c)
peptide bond
d)
hydrogen bond
20.
The breakdown of polymers into monomers occurs through a process known as
a)
dehydration reaction
b)
condensation reaction
c)
hydrolysis
d)
denaturation
21.

Identify the following

(a)  

22.
Which of the following is most closely related to the secondary structure of proteins?
a)
alpha helix and beta sheets
b)
amino acid sequence
c)
polypeptides
d)
alpha helix
e)
beta sheets
23.
All of the following contain amino acids except
a)
hemoglobin
b)
cholesterol.
c)
antibodies.
d)
enzymes.
e)
insulin.
24.
Hemoglobin is a protein that binds to oxygen and helps carry it in the blood and deliver it to other parts of the body. This is an example of what type of protein?
a)
Transport
b)
storage
c)
signaling
d)
defense
25.
Antibodies protect the body from pathogens. What type of proteins are they considered?
a)
Transport
b)
hormonal
c)
defense
d)
storage
26.

Proteins are made of many ____ bonded together.

a)

amino acids

b)

enzymes

c)

polypeptides

27.

All amino acids have the same basic structure. Which part of the amino acid makes each each one unique?

a)

amino group

b)

carboxyl group

c)

R-group (side chain)

28.

The protein structure that results from a sequence of amino acids is:

a)

primary structure

b)

secondary structure

c)

tertiary structure

d)

quaternary structure

29.

Monomers of Lipids include

a)

amino acids

b)

monosaccharides

c)

nucleotides

d)

glycerol and fatty acids

30.

Which of the following is a main function of a lipid?

a)

source of quick energy

b)

stores energy, insulates us, and makes up the cell membrane

c)

transport substances in and out of the cell

d)

stores genetic information

31.

Another term for the word lipids.

a)

Wax

b)

Fats

c)

Lipase

d)

Metabolite

32.

A triglyceride is made up of __ glycerol and __ fatty acids.

a)

3; 1

b)

1; 3

c)

1; 2

33.
These are the simplest form of carbohydrates.
a)
monosaccharides
b)
polysaccharides
c)
disaccharides
d)
polymers
34.
It is also referred to as blood sugar.
a)
glucose
b)
sucrose
c)
fructose
d)
galactose
35.
It is also called fruit sugar.
a)
fructose
b)
glucose
c)
sucrose
d)
galactose

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