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DNA
Test Description: Questions on structure of DNA, replication, transcription, translation
Instructions: Answer all questions to get your test result.
1) What are some differences between mRNA and tRNA?
A
both are straight chains, tRNA has thymine mRNA has uracil
B
tRNA has a double strand
C
mRNA is only found in animals, tRNA in plants
D
tRNA is a molecule bringing an amino acid
2) The process where DNA makes a copy of itself is called
A
mitosis
B
Replication
C
Translation
D
Transcription
3) A DNA segments chanes from ggTtag to ggAtag this is a(n)
A
Framshift mutation
B
deletion
C
translation
D
point mutation
4) Which mutation would likely cause the greatest impact
A
Transcription
B
Point mutation
C
Frameshift mutation
D
Translation
5) The pairing of ___ in DNA is the main reason DNA is able to make copies of itself
A
nitrogen bases
B
deoxyribose molecules
C
Peptide bonds
D
phosphate molecules
6) The process of converting RNA code into a sequence of amino acids is called:
A
replication
B
mutation
C
translation
D
transcription
7) During transcription DNA serves a code to make a sequence of
A
tRNA
B
peptide bonds
C
amino acids
D
mRNA
8) The DNA codon AGA codes for Arginine. The sequence of steps would be
A
AGA to UCU to tRNA molecule holding Arginine
B
mRNA to DNA segment AGA to amino acid arginine
C
DNA segment AGA to mRNA segment AGA to amino acid arginine
D
Arginine to mRNA to DNA segment: AGA
9) DNA is in the following shape:
A
A five sided sugar molecule
B
Double Helix
C
In clumps of three nucleotides with an amino acid attached
D
Long chain that winds around itself (like a rope)
10) Who is credited with the discovery of DNA
A
Larry S., Curly S., Moe S.
B
Charles Darwin
C
James Watson, Francis Crick, and Rosalind Franklin
D
Gregor Mendel
*select an answer for all questions
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