WorksheetsUnit 1.4 Nucleic Acids
Total questions: 15
Worksheet time: 13mins
Name
Class
Date
1.
Which of the following is a MONOMER:
a)
Nucleic Acid
b)
Nucleotide
c)
Polysaccharide
d)
Phospholipid
2.
Which of the following elements does a Nucleic Acid have that a Carbohydrate and Lipid do not?
a)
Carbon
b)
Oxygen
c)
Hydrogen
d)
Nitrogen
3.
If a cell has 20% Adenine in it, what % of Cytosine must it have?
a)
10%
b)
20%
c)
30%
d)
80%
4.
When coiled together, DNA looks like a:
a)
Single Helix
b)
Double Helix
c)
Triple Helix
d)
Broken Ladder
5.
What is the function of nucleic acids?
a)
Stores energy
b)
Stores genetic information
c)
Movement
d)
Physical structure
6.
What are the components of a nucleotide?
a)
nitrogen base, phosphate group, and pentose sugar
b)
pentose sugar, purine, and pyrimidine
c)
nitrogen base and a phosphate group
d)
DNA, phosphate group, monosaccharide
7.
What sugar is found in DNA?
a)
Glucose
b)
Ribose
c)
Deoxyribose
d)
Fructose
8.
What kind of bond holds the two strands of DNA together?
a)
Hydrogen bonds
b)
Ionic bonds
c)
Polar bonds
d)
Covalent bonds
9.
RNA is usually
a)
Single stranded
b)
Double stranded
c)
Triple stranded
d)
All of these
10.
What is used by cells for energy?
a)
DNA
b)
ATP
c)
RNA
d)
ADP
11.
What happens when the end phosphate is broken off a molecule of ATP?
a)
Energy is stored
b)
Energy is released
c)
Neutrons are stored
d)
Neutrons are released
12.
RNA contains the sugar...
a)
Deoxyribose
b)
Glucose
c)
Ribose
d)
Lipids
13.
Which base is only found in RNA?
a)
Uracil
b)
Thymine
c)
Adenine
d)
Guanine
14.
True or False: All living things have nucleic acids.
a)
true
b)
false
15.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
100 %
