REVIEW & REHEARSE: 5 DNA, GENE EXPRESSION, and BIOTECHNOLOGY

!ques1! <i>Check Your Knowledge</i>

Question 5.18

A person’s DNA is carried in:

  • a) muscle cells.
  • b) hair.
  • c) saliva.
  • d) skin cells.
  • e) All of the above contain a person’s DNA.

Question 5.19

Which of the following are always the same in every DNA molecule?

  • a) the sugar
  • b) the base
  • c) the phosphate group
  • d) Only a) and b) are always the same.
  • e) Only a) and c) are always the same.

Question 5.20

The full set of an individual organism’sDNA is called its:

  • a) complement.
  • b) genome.
  • c) nucleosome.
  • d) nucleotide.
  • e) chromosome.

Question 5.21

In humans, genes make up _______ of the DNA.

  • a) about 75%
  • b) 100%
  • c) less than 5%
  • d) about 10%
  • e) about 50%