CHAPTER 7

Question 1

genetic material in our cells

Answer 1

DNA

Question 2

what nucleic acid allows the information of DNA to be expressed in the cell

Answer 2

RNA

Question 3

how many polynucleotide strands are required to construct a DNA molecule

Answer 3

2

Question 4

what component of DNA nucleotide comes in 4 different forms

Answer 4

nitrogenous bases

Question 5

a chemical that can cut DNA at specific sequences

Answer 5

restriction enzymes

Question 6

DNA that seems to code for no genetic information

Answer 6

introns

Question 7

pieces of DNA that results from being cut by special enzymes at specific locations

Answer 7

restriction fragments

Question 8

the process of separating DNA fragments using an electrical current

Answer 8

electrophoresis

Question 9

a specific sequence of DNA bases at which DNA may be recognized and cut by special enzymes

Answer 9

restriction site

Question 10

what type of human cells can serve as a source of DNA for genetic profiling

Answer 10

epithelial cells, blood cells, sperm, among