Exam 4

Question 1

What’s important regarding cell division and unicellular organisms?

Answer 1

It’s how they reproduce asexually.

Question 2

Multicellular organisms and cell division functions

Answer 2

Growth and regeneration

Question 3

What is bacterial cell division also known as?

Answer 3

Binary fission

Question 4

Describe binary fission

Answer 4

Bacterial DNA replicates said copies of DNA spread over to opposite sides of the cell until the cell stretches so much that it splits.

Question 5

Number of chromosomes humans have

Answer 5

46 individual ones grouped into 23 pairs

Question 6

Nucleosome

Answer 6

A complex of DNA and histone proteins that promote and guide the coiling of DNA. They form solenoids.

Question 7

Diploid

Answer 7

2 Complete sets of chromosomes

Question 8

Haploid

Answer 8

1 set of chromosomes

Question 9

What’s the difference between homologous chromosomes and sister chromatids?

Answer 9

Homologous chromosomes are two separate chromosomes that are homologous to each other, but sister chromatids are the individual portions of the chromosome itself.

Question 10

List the phases of mitosis

Answer 10

G1, Synthesis, G2, Mitosis, and Cytokinesis.

Question 11

Cdk/cyclin

Answer 11

promotes cell growth

Question 12

tumor suppressers

Answer 12

holds back cell growth