phases of interphase Flashcards
1
Q
how many steps in interphase?
A
3 in total
2
Q
first step? what happens?
A
g1 (first gap phase) comes before dna synthesis, cell grows in size, duplicate organelles
3
Q
second phase? what happens?
A
S phase, synthesis of dna and duplication. centrosome gets duplicated
4
Q
third ? what happens?
A
g2, cell grows more in size, cell makes more organelles and proteins, and prepares the cell for mitosis.
5
Q
whats g0 phase? what happens in it?
A
its before g1 and it may ( quiscent) or may not happen, if it enters irreversibly its called senescent.
cell is active but dont divide further in it
6
Q
what can affect g0 happening
A
resource avaibility, nutritional deprivation
