Answer:
if a molecule is too large it cannot pass. also it depends on the concentration of a specific substance inside the cell. similarly, if a molecule is polar it cannot penetrate the phospholipid bilayer.
there are proteins that work as channels and pumps that allow these molecules to pass
Explanation:
Two alleles determine your blood type, one which comes from mother and another from father.
Answer:
A grasshopper is not a producer.
Explanation:
A grasshopper eats plants; therefore it is a consumer, also known as a heterotroph.
Answer:
A. their nephron loop is closely wrapped with vasa recta
Explanation:
Answer:
I think A is true
Explanation:
Any combination of atoms is a molecule, but when its a combination of atoms from different elements, its known as a compound.
