In humans, protein 53 (p53) is a tumor suppressant protein encoded on the p53 gene, which has been mapped to the short arm of chromosome 17. One role of this protein is to facilitate the repair of damaged DNA. In which part of the cell cycle does the p53 gene have the most active role? Answers: F- G1

G- G2

H- S

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explanation:

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answer:   option a) glucagon was secreted by his pancreas before he ate the cookies because blood glucose was low. insulin was secreted after he ate the cookies because his blood glucose was high.

explanation:

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]