WorksheetsBasic DNA Review
Total questions: 15
Worksheet time: 15mins
Name
Class
Date
1.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
2.
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
3.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
ribosome
d)
nucleus
4.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
5.
What determines the code, or information, of a DNA molecule?
a)
the shape (structure) of the nitrogen bases
b)
the order (sequence) of the nitrogen bases
c)
the color of the nitrogen bases
d)
the frequency (number) of nitrogen bases
6.
DNA codes for...
a)
bases
b)
proteins
c)
amino acids
d)
phosphates
7.
Which series is arranged in order from largest to smallest in size?
a)
gene, chromosome, nucleus, cell, DNA, nucleotide
b)
cell, nucleus, chromosome, DNA, gene, nucleotide
c)
nucleotide, chromosome, cell, DNA, nucleus
d)
cell, DNA, gene, nucleotide, nucleus, chromosome
8.
What are the four nitrogen bases?
a)
adenine, thymine, guanine, cytosine
b)
adenine, lysine, prolene, guanine
c)
arganine, cytosine, lysine, purine
d)
lysine, cytosine, lucine, guanine
9.
A copy of DNA, called RNA, heads to the ribosome, where it's read to produce...
a)
proteins
b)
carbohydrates
c)
lipids
d)
more nucleic acids
10.
Single strand of RNA that is a copy of one gene
a)
tRNA
b)
mRNA
c)
zRNA
d)
rRNA
11.
DNA contains the instructions for
a)
lipids
b)
proteins
c)
saturated fats
d)
carbohydrates
12.
Which 2 molecules form the sides (backbone) of the DNA ladder?
a)
deoxyribose sugar and adenine
b)
deoxyribose sugar and a hydrogen bond
c)
deoxyribose sugar and the nucleus
d)
deoxyribose sugar and phosphate
13.
The sugar in DNA is ?
a)
sucrose
b)
glucose
c)
deoxyribose
d)
ribose
14.
In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of
a)
cytosine
b)
guanine
c)
thymine
d)
uracil
15.
Which compound is NOT part of the DNA nucleotide?
a)
thymine
b)
deoxyribose
c)
adenine
d)
glucose
100 %
