Inheritance, replication & synthesis

Question 1

What are the 4 nucleotides?

Answer 1

Amine, thymine, guanine, and cytosin

Question 2

What are the base pairs?

Answer 2

A=T, C=-G

Question 3

What are the three phases of the cell cycle?

Answer 3

Interphase, Mitotic phase and Cytokinetic phase

Question 4

When can the cell divide?

Answer 4

When it is:

1. Large enough
2. DNA has replicated
3. Nutrients are available
4. Growth factor stimulation
5. Open space in the tissue

Question 5

What the three cell cycle checkpoints?

Answer 5

1. During G1 prior to the S phase
2. During G2 prior to the M phase
3. During the M phase prior to the end of mitosis

Question 6

What happens at G1?

Answer 6

1. Protein synthesis
2. Cell growth
3. Infrastructure duplication

Question 7

What happens at the S phase?

Answer 7

1. Replication of genetic material

Question 8

What happens at G2?

Answer 8

1. Protein synthesis

2. Cell growth

Question 9

Describe mitosis in 4 easy steps.

Answer 9

1. Sister chromatids held together in a region called the centromere.
2. The centromeres divide and then the sister chromatids separate.
3. At the end of separation, each chromosome consists of a single chromatid
4. Cytokinesis

Question 10

What are the types of mammalian dentition?

Answer 10

1. Carnivorous
2. Herbivorous
3. Omnivorous