Chapter 7: The cell Cycle and Cell Division Flashcards
Why do cells divide? List 4 reasons
- Growth of an organism
- Renew themselves(ie. wounds)
- Immune system
- Reproduction
Prokaryotes divide through the process of __________________(1). Eukaryotes divide through the process of _______________________(2).
(1) Binary fusion
(2) Meiosis & mitosis
Chromosomes are made of _______________(1). DNA is linear in ______________(2) and circular in _________________(3).
(1) nucleic acids/DNA
(2) eukaryotes
(3) prokaryotes
How do cells know it’s time to divide in prokaryotes?
External or internal signal(ex. food is plentiful, environment is safe)
How do cells know its time to divide in eukaryotes?
Internal signal(ex. animal reproduction, animal development, plant growth and development, immunology)
What is cytokinesis?
The separation of cells