Answer:
b
Explanation:
its not because you are smoking it is secondhand smoke
It would be true for most hiv if the person lacks ccr5 on the cells surface. but people with two copies of the ccr5-delta32 gene are basically immune to hiv infection.
Active absorption :- It is a up stream absorption in which use of specified Protein along with ATP is used to absorb substance like ions etc. Active absorption occur against the concentration gradient
Facilitated diffusion :- It is a down stram absorption in which use of special protein is there but no ATP is used to absorb substance like water in plant cell . Facilitated diffusion occur through concentration gradient
Diffusion :- It is a down stream absorption in which no requirement of special protein and ATP molecules is there to absorb substance like glucose etc . Diffusion occur through concentration gradient.
Explanation:
does this mean free points???
yuhhhhuuu
