1. What is the function of DNA helicase in DNA replication? a. To create replication bubbles by unravelling the parental strands of DNA b. To insert new bases during elongation, using the parent strand as a template c. To create an RNA primer to initiate DNA replication d. To anneal (splice) smaller fragments of DNA to create one continuous strand e. All of the above

Human Anatomy & Physiology (11th Edition)
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Chapter1: The Human Body: An Orientation
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1. What is the function of DNA helicase in DNA replication?
a. To create replication bubbles by unravelling the parental strands of DNA
b. To insert new bases during elongation, using the parent strand as a template
c. To create an RNA primer to initiate DNA replication
d. To anneal (splice) smaller fragments of DNA to create one continuous strand
e. All of the above
2. What is the function of the TATA box in a sequence of DNA?
a. To act as a promotor site for RNA polymerase
b. To determine the direction of RNA polymerase transcription
c. To determine the point of termination of the growing polypeptide chain
d. To act as a promotor site for RNA polymerase and to determine the direction of RNA
polymerase transcription
e. To act as a promotor site for RNA polymerase and to determine the point of termination of the
growing polypeptide chain
3. The following table gives the amount of each base, as a percent, found in the DNA collected from four
samples of animal tissue. Which samples likely come from animals of the same species?
Sample
A
T
34
33
17
16
II
33
34
16
17
III
21
21
29
29
IV
39
37
10
14
a. Samples I and IV
b. Samples I and III
c. Samples I and II
d. Samples II and III
e. Samples III and IV
Transcribed Image Text:1. What is the function of DNA helicase in DNA replication? a. To create replication bubbles by unravelling the parental strands of DNA b. To insert new bases during elongation, using the parent strand as a template c. To create an RNA primer to initiate DNA replication d. To anneal (splice) smaller fragments of DNA to create one continuous strand e. All of the above 2. What is the function of the TATA box in a sequence of DNA? a. To act as a promotor site for RNA polymerase b. To determine the direction of RNA polymerase transcription c. To determine the point of termination of the growing polypeptide chain d. To act as a promotor site for RNA polymerase and to determine the direction of RNA polymerase transcription e. To act as a promotor site for RNA polymerase and to determine the point of termination of the growing polypeptide chain 3. The following table gives the amount of each base, as a percent, found in the DNA collected from four samples of animal tissue. Which samples likely come from animals of the same species? Sample A T 34 33 17 16 II 33 34 16 17 III 21 21 29 29 IV 39 37 10 14 a. Samples I and IV b. Samples I and III c. Samples I and II d. Samples II and III e. Samples III and IV
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