Cell Division Flashcards
1
Q
Chromosomes are found in what ?
A
Pairs
2
Q
Before a cell can divide, it needs to grow and increase the number of…
A
Sub cellular structures such as ribosomes and mitochondria
3
Q
Mitosis:
A
1) One set of chromosomes is pulled to each end of cell
2) Nucleus divides
3) Cytoplasm and cell membranes divide to form two identical cells
4
Q
Cell cycle
A
- each cells grows and makes new sub cellular structures
- DNA is copied and new chromosomes are made
- mitosis
5
Q
Cell division by mitosis is important because it makes new cells for:
A
- growth and development of multicellular organisms
- repairing damaged tissues
- asexual reproduction
6
Q
How many chromosomes do humans have
A
23 pairs
