Answer:
Facilitated diffusion involves transport protein
Explanation:
Answer:
B)Cholesterol in the membrane
Explanation:
Membrane fluidity is affected by fatty acids. More specifically, whether the fatty acids are saturated or unsaturated has an effect on membrane fluidity. ... Membrane fluidity is also affected by cholesterol. Cholesterol can make the cell membrane fluid as well as rigid.
Kidney, ureter bladder and urethra
Answer: c
Explanation:
the roots absorb water and minerals from the soil and anchor the plant in the ground.