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WorksheetsUnit 3 CBA Review
Total questions: 20
Worksheet time: 12mins
Name
Class
Date
1.
Which scientist determined that bacteria were capable of transformation via the uptake of DNA from the environment by infecting mice?
a)
Frederick Griffith
b)
Rosalind Franklin
c)
James Watson
d)
Erwin Chargaff
2.
Rosalind Franklin is best known for...
a)
Discovering that DNA served as the storage molecule for genetic information
b)
Using x-ray technology to take pictures of crystallized molecules, including DNA
c)
Combining all of the available data in the 1950's to determine the structure of DNA
d)
Discovering that an organism's thymine would always equal its adenine, and that guanine would always equal cytosine
3.
The monomer for nucleic acids is called a/an...
a)
Amino Acid
b)
Triglyceride
c)
Monosaccharide
d)
Nucleotide
4.
What are the three components of a DNA nucleotide?
a)
Amino acid, sugar, hydrogen base
b)
Amino acid, sugar, sulfur base
c)
Phosphate, sugar, nitrogenous base
d)
Phosphate, sugar, sulfur
5.
What sugar is found in DNA?
a)
Deoxyribose
b)
Ribose
c)
Glucose
d)
Dextrose
6.
What sugar is found in RNA?
a)
Deoxyribose
b)
Ribose
c)
Glucose
d)
Dextrose
7.
What are the nucleotide bases found in DNA?
a)
Adenine, thymine, guanine, cytosine
b)
Adenine, uracil, guanine, cytosine
c)
Uracil, thymine, guanine, cytosine
d)
Adenine, thymine, uracil, cytosine
8.
Which base is found only in RNA?
a)
Thymine
b)
Adenine
c)
Guanine
d)
Uracil
9.
In DNA replication, which enzyme unzips the DNA?
a)
DNA Polymerase
b)
RNA Polymerase
c)
Helicase
d)
Ligase
10.
The following strand of DNA is going to be replicated through complimentary base pairing:
AATGAACAT
Identify the complementary strand.
AATGAACAT
Identify the complementary strand.
a)
UUACUUGUA
b)
TTACTTGTA
c)
TTUCTTGTU
d)
Not enough information to determine
11.
True or false: DNA is capable of leaving the nucleus.
a)
True
b)
False
12.
In protein synthesis, the first step is to convert DNA to mRNA. What is the name of this reaction, and where does it occur?
a)
Transcription : nucleus
b)
Translation : nucleus
c)
Transcription : cytoplasm
d)
Translation: cytoplasm
13.
What organelle is responsible for carrying out translation?
a)
Golgi apparatus
b)
Mitochondria
c)
Ribosome
d)
Nucleus
14.
The complementary strands of DNA are said to be ____________. Meaning, if one strand runs 5'-3', then the other strand runs ___________.
a)
Parallel : 5'-3'
b)
Parallel : 3'-5'
c)
Antiparallel : 5'-3'
d)
Antiparallel : 3'-5'
15.
Transcribe the following strand of DNA into mRNA:
TAC GGC AAG ATC
TAC GGC AAG ATC
a)
TUC GGC UUG UTC
b)
AUG CCG UUC UAG
c)
ATG CCG TTC TAG
d)
UTG CCG TTC TUG
16.
What molecule is responsible for carrying amino acids to the ribosome during translation?
a)
rRNA
b)
mRNA
c)
tRNA
d)
cRNA
17.
What is a codon?
a)
A group of three nucleotides on a molecule of mRNA
b)
A group of three nucleotides on a molecule of tRNA
c)
A group of three nucleotides on a molecule of DNA
d)
None of the above
18.
Translate the following strand of mRNA into amino acids using your codon chart:
AUG CCC GCA UGA
AUG CCC GCA UGA
a)
Methionine-proline-alanine-stop
b)
Tyrosine-proline-arginine-valine
c)
Methionine-alanine-proline-stop
d)
Methionine-proline-alanine-threonine
19.
True or false: RNA is primarily single stranded.
a)
True
b)
False
20.
Humans and chimpanzees are said to be 98.8% similar to each other. What about these species' DNA allows us to say this?
a)
The fact that we both have adenine, thymine, guanine, and cytosine
b)
The fact that the sequence of our nucleotides is 98.8% the same
c)
The fact that we both have uracil instead of thymine in our DNA
d)
The fact that our DNA is roughly the same length
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