WorksheetsUnit 3 Test
Total questions: 22
Worksheet time: 11mins
Name
Class
Date
1.
Which biomolecule stores energy long-term?
a)
Protein
b)
Lipid
c)
Carbohydrates
d)
Nucleic acid
2.
Which biomolecule builds bone and muscle?
a)
Lipid
b)
Protein
c)
Carbohydrates
d)
Nucleic Acid
3.
Which biomolecule stores and transmits genetic material?
a)
Protein
b)
Carbohydrate
c)
Lipid
d)
Nucleic Acid
4.
Which biomolecule is the main source of energy for living things?
a)
Lipid
b)
Carbohydrates
c)
Nucleic acids
d)
Proteins
5.
What is a monomer of a carbohydrate?
a)
Amino acid
b)
Nucleotide
c)
1 glycerol + 3 fatty acids
d)
Monosaccharide
6.
What is a monomer of a protein?
a)
Monosaccharide
b)
Fatty acids
c)
Amino acids
d)
Nucleotide
7.
What is a monomer of a nucleic acid?
a)
Fatty acid
b)
monosaccharide
c)
nucleotide
d)
amino acid
8.
What makes up a lipid?
a)
1 glycerol + 3 fatty acid
b)
nucleotide
c)
monosaccharide
d)
amino acid
9.
Which of the following suggests that the shape of an enzyme determines the enzyme's function?
a)
Enzymes can operate in a wide range of conditions
b)
Enzymes are activated by neighboring molecules
c)
Enzymes are specific to a substrate
d)
Enzymes can be found in all life-forms
10.
Nucleotides are to ___ as ____ are to proteins.
a)
nucleic acids; amino acids
b)
polymers; polypeptides
c)
amino acids; nucleic acids
d)
genes; enzymes
11.
Which of the following is NOT in the cell membrane?
a)
Lipids
b)
Proteins
c)
Carbohydrates
d)
Nucleic acids
12.
Which effect does that enzyme have on the cholesterol that is in your digestive tract?
a)
Breaks the cholesterol into the anino acid
b)
Has no effect on cholestrol
c)
Breaks the cholesterol into simple sugars
d)
Converts the cholesterol to energy
13.
What do all lipids have in common?
a)
They produce quick energy
b)
They don't dissolve in water
c)
They are saturated with Hydrogens
d)
Their compositions differ only by R groups
14.
Which of the following is an amino acid?
a)
C27H45OH
b)
C11H12N2O2
c)
C12H24O12
d)
C40H80NO8P
15.
Enzymes speed up chemical reactions by
a)
producing complex carbohydrates
b)
Producing the heat
c)
lowering the amount of energy it needs to get it started
d)
changing the shape of the substrate
16.
Lactose and fructose are
a)
Lipids
b)
nucleic acids
c)
proteins
d)
carbohydrates
17.
Which organic compound is responsible for the transfer and storage of genetic information?
a)
lipids
b)
carbohydrates
c)
nucleic acids
d)
proteins
18.
What is the primary function of carbohydrates?
a)
help digestion
b)
supply energy
c)
break down molecules
d)
regulate body temperature
19.
Which are proteins that act as catalyst
a)
Disaccharide
b)
Enzymes
c)
Nucleotides
d)
Fatty acids
20.
Which fat has double bonds between the C atoms of the fatty acid and is _____ at room temperature?
a)
Saturated fat; liquid
b)
Saturated; solid
c)
Unsaturated ; solid
d)
Unsaturated ; liquid
21.
Fats and oils are all types of
a)
hormones
b)
lipids
c)
cell membranes
d)
fatty acids
22.
Which food would give the most positive test for lipids?
a)
potato chips
b)
sugar
c)
bread
d)
carrots
100 %
