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S1 Review: DNA
Test Description: S1 Review: DNA
Instructions: Answer all questions to get your test result.
1) Which of the following would represent the strand of DNA from which the mRNA strand CUCAAGUGCUUC was made?
A
AGACCTGTAGGA
B
GAGTTCACGAAG
C
CUCAAGUGCUUC
D
GAGUUCACGAAG
2) ATTG : TAAC ::
A
TCGG : AGAT
B
AAAT : TTTG
C
GTCC : CAGG
D
CGAA : TGCG
3) A change in a gene due to damage or being copied incorrectly is called
A
evolution.
B
segregation.
C
a mutation.
D
meiosis.
4) The enzymes responsible for adding nucleotides to the exposed DNA template bases are
A
nucleotidases.
B
replicases.
C
helicases.
D
DNA polymerases.
5) Genetically modified foods have a variety of benefits, such as
A
decreased antibiotic efficacy.
B
gene transfer.
C
allergic reactions.
D
insect resistance.
6) Which process produces a chain of amino acids?
A
replication
B
meiosis
C
transcription
D
translation
7) How many bases make up a codon?
A
9
B
2
C
3
D
6
8) Which process produces two identical copies of DNA?
A
translation
B
replication
C
transcription
D
diffusion
9) Which process results in the formation of an mRNA molecule?
A
mitosis
B
transcription
C
translation
D
replication
10) Which of the following best describes the relationship between mRNA and tRNA?
A
mRNA uses proteins to build tRNA molecules.
B
tRNA translates the genetic code from mRNA.
C
mRNA delivers amino acids to tRNA.
D
tRNA provides nitrogenous bases for mRNA.
*select an answer for all questions
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