05 DNA - The Genetic Material

13 Questions | By Dajatsu | Updated: Mar 22, 2022 | Attempts: 292

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Basic DNA structure

Questions and Answers

1.

Miescher discovered nuclein, a new class of organic molecule. Today we call it nucleic acid. He knew it was not protein because it had the element:
- A.
  
  Sulfur
- B.
  
  Carbon
- C.
  
  Nitrogen
- D.
  
  Oxygen
- E.
  
  Phosphorus
2.

Miescher discovered nuclein, a new class of organic molecule. Today we call it nucleic acid. He knew it was not protein because it did not have the element:
3.

Avery, MacLeod, and McCarty showed that ______ of IIIS bacteria was capable of transforming live IIR bacteria in to live IIIS bacteria.
4.

In Griffith's 1928 experiment, when live IIR bacteria and heat-killed IIIS bacteria were injected a mouse:
- A.
  
  The mouse lived.
- B.
  
  The IIR bacteria were transformed into IIIS bacteria.
- C.
  
  DNA was proven to be the genetic material of the bacteria.
- D.
  
  All of the above.
- E.
  
  None of the above.
5.

DNA has a deoxribose - _______ backbone.
6.

The 3' oxygen of deoxyribose of a DNA nucleotide is linked the ___' oxygen of deoxyribose of the adjacent nucleotide by way of a phosphate group. (The answer is a number.)
7.

The pyrimidines found in DNA are cytosine and _______.
8.

[The nitrogen base on the right is _______.
9.

If a frog's DNA consists of 23% adenine, then the percent of guanine is _____%.
10.

Watson and Crick used the X-ray diffraction data of Wilkins and _______. (last name)
11.

DNA's two strands run in opposite directions. That is, DNA is _______.
12.

A DNA double helix 30 base pairs long would be ____Å long. (The answer is a number.)
13.

On opposite sides of a DNA double helix there are grooves: a larger groove and a smaller groove. The smaller groove is called the _______ groove.