Questions by Yko

Questions by Yko

At the doctor's office a device is placed on dawn's stomach and she can hear her unborn child's heartbeat at five weeks gestation. dawn's unborn child is in the ________ stage of prenatal development.

asked Jan 18, 2018

1 answer

2 votes

29.9k views

Frog lungs are poorly developed. How does this relate to their skin being thin and moist?

asked Nov 22, 2016

2 answers

1 vote

130k views

Describe how the plasma membrane controls what goes into and comes out of a cell.

asked Aug 27, 2015

1 answer

4 votes

21.7k views

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