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vfiekz [6]
3 years ago
14

PLEASE HELP ME WITH QUESTIONS PLEASE PLEASE PLEASE!! Please answer both questions at the same time... Not only one.. 19 POINTS !

!
How would the pattern of apoptosis differ in a duck's webbed foot compared to the pattern of apoptosis in a mouse's foot?

What are cyclins? What do cyclins do?
Biology
1 answer:
Yuri [45]3 years ago
7 0

1. a mouse's toes undergo apoptosis during a late stage of development. due to signaling protein: BMP4 that instructs cells in webbing to undergo apoptosis

- both embryos express BMP4 gene but differ in expression of gene Gremlin- ducks

-- Gremlin protein inhibits BMP4 from signaling for apoptosis= webbed foot


2. Cyclin is a family of proteins that control the progression of cells through the cell cycle by activating cyclin-dependent kinase

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