The plasma membrane has a double layer of phospholipids with proteins dispersed throughout. These proteins help increase the durability of the membrane, as well as help with filtration.
Okay First off what are the problems and what are the hardest ones?
If the offspring is a female, it means she got an X chromosome from her mom, and an X chromosome from her father.
Answer:
Blood is carried away from the heart by arteries. Blood that is rich in oxygen. Blood that is low in oxygen is returned to the heart by veins. there is more pressure in arteries than in veins.
Your answer is C.
Not all systems perform the same function or use the same organs.