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Chapter 14: Q. 8 (page 367)

In eukaryotes, what is the DNA wrapped around? a. single-stranded binding proteins b. sliding clamp c. polymerase d. histones

Short Answer

Expert verified

Option d is correct.

Step by step solution

01

Step 1. Introduction

The packaging of DNA is very complex in Eukaryotic organisms. The total length of the DNA helix of a mammalian cell is approximately 2,2 meters and it is fit into a small-sized nucleus.

02

Step 2. Explanation of the correct option

The correct option is d because the DNA helix is negatively charged and it is associated with a set of positively charged basic proteins called histone. Hence DNA is wrapped around histone protein.

03

Step 3. Explanation of the incorrect option.

Option a is incorrect because DNA is wrapped around a histone protein that is positively charged instead of a single-stranded binding protein.

Option b is incorrect because DNA is wrapped around histone protein that is positively charged instead of a sliding clamp.

Option c is incorrect because DNA is wrapped around histone protein that is positively charged instead of normal polymerase.

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Most popular questions from this chapter

Why were radioactive sulfur and phosphorous used to label bacteriophage in Hershey and Chase's experiments?

Explain Griffith's transformation experiments. What did he conclude from them?

If DNA of a particular species was analyzed and it was found that it contains 27 percent A, what would be the percentage of C?

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b. 30 percent

c. 23 percent

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How did Meselson and Stahl support Watson and Crick鈥檚 double-helix model? a. They demonstrated that each strand serves as a template for synthesizing a new strand of DNA. b. They showed that the DNA strands break and recombine without losing genetic material. c. They proved that DNA maintains a double-helix structure while undergoing semi-conservative replication. d. They demonstrated that conservative replication maintains the complementary base pairing of each DNA helix.
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