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Molecular Genetics
Test Description: Kolten created this.
Instructions: Answer all questions to get your test result.
1) During the transcription step of protein synthesis the enzyme_________ unzips DNA
A
DNA ligase
B
DNA polymerase
C
DNA nucleobase
D
DNA fantastic
2) How many amino acids would be on a protein chain that was made by a gene with 30 nitrogenous bases?
A
3
B
90
C
30
D
10
3) The stop codon is always last what would happen if a framshift occured?
A
The strand of amino acids would continue until it reaches next stop codon
B
A new version of a stop codon is added next
C
The chain breaks
D
It restarts
4) What links amino acids?
A
glue
B
fatty acid bonds
C
hydrogen bonds
D
peptide bonds
5) When AAA CGU UUA is changed to AAA CCU UUA what occurs?
A
Substitution
B
Frameshift
C
Deletion
D
Insertion
6) When there is a framshift there is _________ or _________ of a base.
A
addition, insertion
B
Deletion, substitution
C
insertion, deletion
D
substitution, addition
7) Which is not a DNA nitrogenous base?
A
Thyamine
B
Cytosine
C
Guanine
D
Uracil
8) DNA and RNA are both ________.
A
all of the above
B
molecules
C
nucleic acids
D
chemicals
9) Which of the following RN base sequences is complementary to the DNA sequence AAA TTT CCC GGG
A
UUU AAA GGG CCC
B
AAA TTT CCC GGG
C
UUU AAA CCC GGG
D
TTT AAA GGG CCC
10) Order the components of nucleic acids from smallest to largest.
A
nitrogenous base, codon, chromosome, gene, genome
B
codon, gene, chromosome, nitrogenous base, genome
C
nitrogenous base, codon, gene, chromosome, genome
D
genome, chromosome, gene, codon, nitrogenous base
*select an answer for all questions
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