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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 Name 3 characteristic of Z-DNA - Answer-* Left-handed helix * 12bp per helical turn * Major groove flattened, nearly gone Fragile DNA is associated with - Answer-AT-rich cruciform To increase the melting temperature of DNA, you need ...

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  • August 31, 2024
  • 2
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • bch 5413 1 4
  • bch 5413 1 4 test questions
  • name 3 characteristic of z dna

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BCH 5413: 1-4 TEST QUESTIONS
WITH ALL CORRECT ANSWERS
Name 3 characteristic of Z-DNA - Answer-* Left-handed helix
* 12bp per helical turn
* Major groove flattened, nearly gone

Fragile DNA is associated with - Answer-AT-rich cruciform

To increase the melting temperature of DNA, you need to increase which two?

a) bases
b) salt
c) phosphate
d) AT
e) coiling
f) GC - Answer-b) and f)

What does the genome consist of? - Answer-Chromosomes (linear DNA molecules with
many genes)

Exon and intron function - Answer-Exons are coding regions of the gene
Introns hold functional RNAs and micro RNAs

True or False? Alternative splicing can yield different proteins. - Answer-True

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

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