regulation of cell cycle

Question 1

G1 checkpoint

Answer 1

verifies that the cell has grown to the correct size, has synthesised enough protein for DNA replication, checks if the DNA has been damaged

Question 2

G2 checkpoint

Answer 2

ensures that DNA has replicated properly in the S phase, and that the cell has enough resources for mitosis

Question 3

metaphase checkpoint

Answer 3

cell checks the formation of the spindle fibres. If the chromosomes are lined up in the correct location