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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

When Chargaff was performing his experiments, the tetranucleotide hypothesis, which stated that DNA was composed of GACT nucleotide repeats, was the most widely accepted view of DNA’s composition. How did Chargaff disprove this hypothesis?

In which direction does DNA replication take place? a. 5'-3' b. 3'-5' c. 5' d. 3'

A frameshift mutation that results in the insertion of three nucleotides is often less deleterious than a mutation that results in the insertion of one nucleotide. Why?

DNA replication is bidirectional and discontinuous; explain your understanding of those concepts.

The ends of the linear chromosomes are maintained by

a. helicase

b. primase

c. DNA pol

d. telomerase
See all solutions

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