Answer:
Find the midpoint of a segment. It is geometry please help.
Explanation:
No, in facilitated diffusion molecules move against their concentration gradient. Facilitated diffusion is diffusion that requires an input on energy; moving against the concentration would require that energy.
Answer:
The correct answer is option B.
Explanation:
MHC or The major histocompatibility complex is a series of genes that have information and rise to cell surface proteins required for the adaptive immune system to recognize the pathogen or the foreign molecules, There are three classes of MHC - MHC1, MHC2, and MHC3.
MHC class II generally present only on antigen-presenting cells such as single nuclear phagocytes, dendritic cells, thymic and B cells.
Thus, the correct answer is option B.
It’s A an generation that’s the only one that makes sense because evolution is a change over time too
Answer:
Aa
Explanation:
AA or Aa → Enough normal enzyme to make melanin in skin and hair → Normal skin and hair color aa → Defective enzyme for melanin production → Very pale skin and hair color (albino) Page 3 2.
