BIOL 101 Quiz 4

BIOL 101 Quiz 4
• Question 1
3.2 out of 3.2 points
In the process of transcription, the base sequence in the molecule _______ is read by the molecule
_________ , an enzyme that makes an RNA molecule.
Selected Answer: DNA, RNA polymerase
• Question 2
3.2 out of 3.2 points
Which of the following sequences best represents the overall flow of information in a cell?
Selected Answer: transcription, pre-mRNA processing, translation, protein processing, export
• Question 3
3.2 out of 3.2 points
The de-condensation of visible chromosomes back into chromatin fibers is a defining feature of
which phase of the cell cycle?
Selected Answer: telophase
• Question 4
3.2 out of 3.2 points
In the cell nucleus a pre-mRNA has its introns removed by
Selected Answer: splicing enzymes.
• Question 5
3.2 out of 3.2 points
There are more than four kinds of amino acids in proteins. Each kind of amino acid must be
coded for in mRNA. Thus, a short sequence of mRNA bases called a(n) _________ is used to code
for each amino acid in the translation process.
Selected Answer: codon.
• Question 6
0 out of 3.2 points
Which of the following phrases best describes the role of mRNA in gene expression?
Selected Answer: Information is stored in mRNA to be made into a DNA molecule.
• Question 7
3.2 out of 3.2 points
Which of the following is not a phase of the cell cycle?

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