MITOSIS| Intro Definitions Flashcards
1
Q
Chromosomes
A
two chromatids that are joined to each other by a structure called a centromere. Chromosomes hold the genetic information of the organism.
2
Q
Chromatid
A
a single thread of a chromosome.
3
Q
Centromere
A
two chromatids that are joined to each other.
4
Q
Chromatin network
A
a tangle of chromatids.
5
Q
Cytokinesis
A
the division of the cytoplasm, organelles and cell membrane.
6
Q
Spindles
A
structures in the cell that secrete the spindle fibres.
7
Q
Centrioles
A
the structures at the pole of the cell that the spindle fibres are attached to.
8
Q
Somatic cells
A
all cells in the body EXCEPT the sperm and ovum.
9
Q
Gametes
A
sex cells, ie. the sperm and ovum.
10
Q
Mitosis is a vital process that ensures that:
A
- An organism can grow and increase in size.
- An organism can repair or replace worn out and damaged tissue.
- A simple organism can undergo asexual reproduction.
