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BCH 5413 1-4 TEST QUESTIONS WITH ALL CORRECT ANSWERS
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BCH 5413 1-4 TEST QUESTIONS WITH ALL CORRECT ANSWERS Does DNA move toward the negative or positive pole in gel electrophoresis? Do the smaller or bigger fragments move faster through the gel? - Answer-Positive; smaller As you increase the amount of micrococcal nuclease... - Answer-more and more...

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  • September 7, 2024
  • 2
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • BCH 5413 1-4
  • BCH 5413 1-4

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BCH 5413: 1-4 TEST QUESTIONS
WITH ALL CORRECT ANSWERS

Does DNA move toward the negative or positive pole in gel electrophoresis? Do the
smaller or bigger fragments move faster through the gel? - Answer-Positive; smaller

As you increase the amount of micrococcal nuclease... - Answer-more and more
fragments will be brought down to smaller size.

What did Avery, McLeod, and McCartney do? - Answer-They showed that if DNA is
present, the non-pathogenic R-strain bacteria would transform into an S-strain.

What did Wilkins and Franklin do? - Answer-Using xray crystallography, they examined
the structure of DNA.

One turn of a DNA helix is angstroms. - Answer-34

Ribose differs from deoxyribose by a single

a) C
b) H
c) OH
d) P - Answer-c)

How many carbons are in purines and pyrimidines? - Answer-9 and 6

Covalent bonds are found in and hydrogen bonds in . - Answer-sugar
phosphate backbone, complimentary base pairing

How many hydrogen bonds are between thymine and adenine? - Answer-2

Name 3 characteristics of B-DNA - Answer-* Right-handed helix
* 10bp per helical turn
* Major groove wide and deep

Name 3 characteristics of A-DNA - Answer-* Right-handed helix
* 11bp per helical turn
* Major groove narrow and deep

Of all these histones, which one is part of the linker region?

a) H2A
b) H3
c) H4
d) H1 - Answer-d)

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