Ch.7-1 What Does DNA Look Like

10 Questions | By Terid | Last updated: Mar 21, 2022 | Total Attempts: 345

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Ch. 7 section 1 Quiz

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1.

Deoxyribonucleic acid or ________________ is the material that contains the information that determines the traits a living thing inherits.
- A.
  
  Nucleotide
- B.
  
  DNA
- C.
  
  Thymine
- D.
  
  Cytosine
2.

____________________ is one of the four possible bases in a string of DNA and it pairs with adenine.
- A.
  
  Nucleotide
- B.
  
  DNA
- C.
  
  Thymine
- D.
  
  Cytosine
3.

__________________ is a subunit of DNA that consists of a sugar, a phosphate, and a nitrogenous base.
- A.
  
  Nucleotide
- B.
  
  DNA
- C.
  
  Thymine
- D.
  
  Cytosine
4.

_____________________ is the complementary base to guanine.
- A.
  
  Nucleotid
- B.
  
  DNA
- C.
  
  Thymine
- D.
  
  Cytosine
5.

What letters represent the four bases?
- A.
  
  A, B, C, D
- B.
  
  W, X, Y, Z
- C.
  
  A, T, G, C
- D.
  
  E, Y, A, O
6.

Using X-ray diffraction, what did Rosalind Franklin show the shape of DNA to be?
- A.
  
  A circle
- B.
  
  A spiral
- C.
  
  A square
- D.
  
  A line
7.

Watson and Crick built a DNA model like a
- A.
  
  Long, twisted ladder
- B.
  
  Piece of twine
- C.
  
  Straight line
- D.
  
  Pyramid
8.

The sides of the DNA "ladder" are made of
- A.
  
  Guanine and thymine.
- B.
  
  Adenine and cytosine.
- C.
  
  Sugar and phosphate
- D.
  
  Helixes and twists.
9.

The "rungs" of the DNA ladder are
- A.
  
  A pair of bases
- B.
  
  A pair of sugars
- C.
  
  A pair of phosphates
- D.
  
  A set of proteins
10.

To be copied, a DNA molecule splits
- A.
  
  Across the top
- B.
  
  Down the middle
- C.
  
  Along the sides
- D.
  
  Along the phosphates