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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
CUCAAGUGCUUC
B
AGACCTGTAGGA
C
GAGTTCACGAAG
D
GAGUUCACGAAG
2) ATTG : TAAC ::
A
AAAT : TTTG
B
CGAA : TGCG
C
GTCC : CAGG
D
TCGG : AGAT
3) A change in a gene due to damage or being copied incorrectly is called
A
a mutation.
B
evolution.
C
segregation.
D
meiosis.
4) The enzymes responsible for adding nucleotides to the exposed DNA template bases are
A
replicases.
B
DNA polymerases.
C
nucleotidases.
D
helicases.
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
meiosis
B
replication
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
diffusion
C
replication
D
transcription
9) Which process results in the formation of an mRNA molecule?
A
replication
B
mitosis
C
translation
D
transcription
10) Which of the following best describes the relationship between mRNA and tRNA?
A
mRNA uses proteins to build tRNA molecules.
B
tRNA provides nitrogenous bases for mRNA.
C
tRNA translates the genetic code from mRNA.
D
mRNA delivers amino acids to tRNA.
*select an answer for all questions
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