DNA and Cell Cycle Review #2

Questions 1

• G1 phase

• S phase

• G2 phase

• M phase

Question 2

• to prevent mistakes in the cell cycle

• to make extra DNA if needed

• to kill viruses

• to make extra cells

Question 3

• two identical daughter cells

• four identical daughter cells

• two different cells

• four different cells

Question 4

• 1, 2, 3, 4

• 4, 2, 1, 3

• 4, 1, 2, 3

• 2, 4, 1, 3

Question 5?

• DNA is being replicated (S phase)

• DNA is being destroyed

• DNA is making protein

• DNA is building cells

Question 6

• nucleus

• cytoplasm

• cell membrane

• chloroplast

Question 7

• DNA is replicated

• cell grows

• nucleus divides

• cytoplasm divides

Question 8

• A: deoxyribose; B: phosphate; C: nitrogen base; D: nucleotide

• A: phosphate; B: deoxyribose; C: nucleotide; D: nitrogen base

• A: nitrogen base; B: deoxyribose; C: phosphate; D: nucleotide

• A: nucleotide; B: nitrogen base; C: deoxyribose; D: phosphate

Question 9

• determines the traits of organisms (ex. eye color)

• determines the length of the DNA

• build phosphates and deoxyribose sugar

• create hydrogen bonds between bases and sugars

Question 10

• 2

• 4

• 6

• 8