NEW
Font size
S
M
L
XL
WorksheetsPrincipals of Molecular Biology
Total questions: 15
Worksheet time: 16mins
Name
Class
Date
1.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
2.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
3.
Which of the following units are repeatedly joined together to form a strand of DNA?
a)
amino acids
b)
nucleotides
c)
fatty acids
d)
polysaccharides
4.
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
5.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
6.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
7.
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
8.
Nitrogenous bases are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
9.
The enzyme that unzips the DNA to prepare for replication
a)
helicase
b)
replicase
c)
polymerase
d)
synthase
10.
RNA contains the sugar
a)
ribose
b)
deoxyribose
c)
glucose
d)
lactose
11.
What is the difference between DNA and RNA in terms of bases?
a)
RNA contains uracil in place of thymine
b)
RNA contains uracil in place of adenine
c)
RNA contains uracil in place of guanine
d)
RNA contains uracil in place of cytosine
12.
I am single stranded.
a)
DNA
b)
RNA
c)
Both DNA and RNA
13.
In RNA, adenine goes with __________.
a)
adnine
b)
cytosine
c)
thymine
d)
uracil
14.
Which type of cell is this?
a)
Prokaryote
b)
Eukaryote
15.
You can distinguish a prokaryote apart from a nucleus by--
a)
The presence of a ribosome
b)
The presence of a cell membrane
c)
The presence of DNA
d)
The presence of a nuclear membrane
Reset
