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