The sodium-potassium pump forces sodium ions ___ the cell and ...

[gbarreiro]

The sodium-potassium pump forces sodium ions ___ the cell and potassium ions___ the cell.
 
  A) into, into
  B) into, out of
  C) out of; out of
  D) out of, into

Question 2

One parent can produce about ___ different combinations of chromosomes, and the two together can produce about ___.
 
  a. 8 million, 60 to 70 trillion
  b. 100 million, 250 trillion
  c. 2 billion, 750 trillion
  d. 1 million, 6 trillion

[olivia_paige29]

Answer to Question 1

D

Answer to Question 2

A