WorksheetsDNA/ RNA Review
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
What is DNA made of?
a)
Sugar, Phosphate, nitrogen base
b)
Phosphate, Adenine, nitrogen base
c)
Thymine, Adenine, Cytomine
d)
Phosphate, Nitrogen, Adenine
2.
What are the 4 nitrogen bases?
a)
adenine, thymine, cytoplasm, and guanine
b)
adenine, thymine, cytosine, and gylcerol
c)
adenine, thymine, cytosine, and guanine
d)
adenine, thymine, cytosine, and glucose
3.
Which 2 molecules forms the sides (backbone) of the DNA ladder?
a)
deoxyribose and adenine
b)
sugar and the nucleus
c)
deoxyribose and a hydrogen bond
d)
deoxyribose (sugar) and phosphate
4.
Which organelle is DNA usually found in?
a)
cell membrane
b)
chloroplast
c)
vacuole
d)
nucleus
5.
Which sequence of DNA bases would pair with this partial strandATG TGA CAG
a)
ATG TGA CAG
b)
GTA AGT GAC
c)
TAC ACT GTC
d)
CAT TCA CTG
6.
Why is DNA important?
a)
it is very small and very complicated
b)
it serves as the blueprint for traits of all living things
c)
it's in everything
d)
because we eat it every day for energy
7.
What determines the code, or information, of a DNA molecule?
a)
the shape (structure) of the nitrogen bases
b)
the color of the nitrogen bases
c)
the order (sequence) of the nitrogen bases
d)
the frequency (number) of nitrogen bases
8.
Nitrogenous bases are joined by which type of bond?
a)
polar bonds
b)
covalent bonds
c)
ionic bonds
d)
hydrogen bonds
9.
DNA replication results in two DNA molecules,
a)
each one with two original strands
b)
each one with one new strand and one original strand
c)
each one with two new strands
d)
one with two new strands and the other with two original strands
10.
What is the correct complimentary strand for the following DNA? ATCGAG
a)
TACGAG
b)
TAGCTG
c)
ATCGAG
d)
TAGCTC
11.
What does the base 'G' pair with?
a)
A
b)
C
c)
T
d)
G
12.
Which of the following best describes a DNA molecule?
a)
double helix
b)
made of amino acids
c)
contains ribose
d)
contains Uracil
13.
In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of
a)
cytosine
b)
thymine
c)
guanine
d)
uracil
14.
A process in which DNA has the unique ability to make an exact copy of itself.
a)
Replication
b)
Transcription
c)
Translation
d)
All of the above
15.
The following picture must be
a)
DNA because it's double stranded
b)
DNA because it's single stranded
c)
RNA because it's single stranded
d)
RNA because it's double stranded
16.
How does RNA differ from DNA?
a)
RNA contains uracil and deoxyribose
b)
RNA contains uracil and ribose
c)
RNA contains ribose and thymine
d)
RNA contains adenine and ribose
17.
Which of the following describes RNA?
a)
RNA is usually double-stranded and contains the base thymine
b)
RNA is longer than DNA and uses five bases to encode information
c)
RNA is usually single-stranded and contains the base uracil
d)
RNA is made in the nucleus of eukaryotic cells and stays there to carry out its functions
18.
RNA contains the sugar
a)
ribose
b)
glucose
c)
deoxyribose
d)
lactose
19.
Which type of RNA takes the instructions from the nucleus to the cytoplasm?
a)
mRNA
b)
rRNA
c)
tRNA
d)
RNA polymerase
20.
There are three types of RNA
a)
True
b)
False
100 %
