Three different DNA polymerases make up the eukaryotic replication fork

Pol α/rimase is responsible for primer synthesis on the lagging strand.

The MCM helicase (the eukaryotic homolog of Dna B ) unwinds the dsDNA, while 

PCNA (homolog of ex) endows the complex with processivity.

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Three estrogens are present in the plasma of the human female: 

1β-estradiol

 Estrone

Estriol

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The principal estrogen secreted by the ovaries is β-estradiol

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Estrogens inhibit osteoclastic activity in the bones and therefore stimulate bone growth.

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During female reproductive cycle, Estrogen stimulate rapid proliferation of the stromal cells and the epithelial cells of endometrium, before ovulation.

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Progesterone promote secretory changes in the uterine endometrium, after ovulation

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#Unit 7. System Physiology – Animal