Mastering Ch 16-17-18 exam 2024/2025 with 100% correct answers
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Course
Mastering Ch 16-17-18
Institution
Mastering Ch 16-17-18
c. Transcription correct answersWhat is the process called that converts the genetic information stored in DNA to an RNA copy?
a. Translocation
b. Translation
c. Transcription
d. Replication
a. A site in DNA that recruits the RNA Polymerase correct answersTranscription begins at a promot...
c. Transcription correct answersWhat is the process called that converts the genetic information stored
in DNA to an RNA copy?
a. Translocation
b. Translation
c. Transcription
d. Replication
a. A site in DNA that recruits the RNA Polymerase correct answersTranscription begins at a promoter.
What is a promoter?
a. A site in DNA that recruits the RNA Polymerase
b. Part of the RNA molecule itself
c. A site found on the RNA polymerase
d. The same as a start codon
a. Complementary correct answersWhich of the following terms best describes the relationship between
the newly synthesized RNA molecule and the DNA template strand?
a. Complementary
b. Permanently base-paired
c. Covalently bound
d. Identical
b. It is free to bind to another promoter and begin transcription. correct answersWhat happens to RNA
polymerase II after it has completed transcription of a gene?
a. It begins transcribing the next gene on the chromosome.
b. It is free to bind to another promoter and begin transcription.
c. It is degraded.
d. It joins with another RNA polymerase to carry out transcription.
, a. (1) 5'→3'; (2) 3'→5' correct answersDuring transcription, in what direction is (1) RNA synthesized and
(2) the DNA template "read"?
a. (1) 5'→3'; (2) 3'→5'
b. (1) 5'→;3' (2) 5'→;3'
c. (1) 3'→;5'; (2) 3'→5'
d. (1) 3'→5'; (2) 5'→3'
b. All of the loops would be missing. correct answersThe micrograph shows a DNA-mRNA hybrid. If the
noncoding regions of the gene did not exist, what would the micrograph look like?
a. There would be the same number of loops, but they would be smaller.
b. All of the loops would be missing.
c. There would be additional loops.
d. Some, but not all, of the loops would be missing.
UGAGCC correct answersSuppose that a portion of double-stranded DNA in the middle of a large gene is
being transcribed by an RNA polymerase. As the polymerase moves through the sequence of six bases
shown in the diagram below, what is the corresponding sequence of bases in the RNA that is produced?
a. the base sequence of the gene's promoter correct answersDuring transcription in eukaryotes, a type
of RNA polymerase called RNA polymerase II moves along the template strand of the DNA in the 3'→5'
direction. However, for any given gene, either strand of the double-stranded DNA may function as the
template strand.
For any given gene, what ultimately determines which DNA strand serves as the template strand?
a. the base sequence of the gene's promoter
b. the location of specific proteins (transcription factors) that bind to the DNA
c. which of the two strands of DNA carries the RNA primer
d. the location along the chromosome where the double-stranded DNA unwinds
2, 3 and 5 are correct. correct answersAfter transcription begins, several steps must be completed before
the fully processed mRNA is ready to be used as a template for protein synthesis on the ribosomes.
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