Answer:
because they contain alternate forms called alleles
Explanation:
They kill animals and produce CO2
Answer:
C. a tennis court
Explanation:
the absorptive surface area of the small intestine is about 250 square meters (almost 2700 sq. ft.) - the size of a tennis court.
Answer:
D astronomical unit
Explanation:
Hope my answer is correct
Answer:
The sodium-potassium pump is a mechanism of active transport that moves sodium ions out of the cell and potassium ions into the cell, both against a concentration gradient, in order to maintain the proper concentrations of both ions inside and outside the cell and to thereby control membrane potential.
Explanation: