Question

How many modes of dna damage responses are present?

Answer 1

Explanation:

DNA damage checkpoints occur at the G1/S and G2/M boundaries. An intra-S checkpoint also exists. Checkpoint activation is controlled by two master kinases, ATM and ATR. ATM responds to DNA double-strand breaks and disruptions in chromatin structure, whereas ATR primarily responds to stalled replication forks

Answer 2

Answer:

ATM respond of DNA

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