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Cell Biol Chapter 12 outline

The Cell Cycle

A. Chromosomes

1. karyotype

2. chromosome number

B. Types of cell division

1) binary fission

2) mitosis

3) meiosis

C. eukaryote cell cycle

1) phases = G1, S, G2, M

D. regulation

1) external signals (e.g. growth factors)

a) platelet derived growth factor

b) epidermal growth factor

c) MAP kinases

2) internal signals

a) cyclins

b) maturation promoting factor

E. Meiosis

1) mechanisms of genetic diversity

a) independent assortment of chromosomes

b) random fertilization

c) crossing over

d) mutations

2) process

F. Genetic recombination in prokaryotes

1) transformation

2) transduction

3) conjugation

 

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