Multiple Choice
The nucleosome is the basic repeating unit of chromatin. Which of the following statements concerning nucleosomes is incorrect:
A) nucleosomes have protein cores consisting of an octamer of protein subunits
B) a segment of DNA approximately 145 bp long is associated with each nucleosome
C) histone H1 contacts the DNA linker segments as they enter and leave the nucleosome
D) the DNA in a nucleosome is packed tightly inside the protein core to conserve space in the nucleus and to protect the DNA from damage
E) some nucleosomes form over specific regions of DNA in a non_random manner
Correct Answer:

Verified
Correct Answer:
Verified
Q1: All of the following statements concerning histones
Q3: Which of the following is a nucleoside
Q4: A segment of DNA has the following
Q5: What are the complementary base pairs in
Q6: The histones are<br>A) ribosomal proteins which regulate
Q7: Which of the following classes of RNA
Q8: In thermal denaturation of double-stranded DNA<br>A) the
Q9: All of the following statements are true
Q10: What is the main difference between topoisomerases
Q11: The H1 histone<br>A) is one of the