That would be B. Cell Wall
Hope this helps.
Answer:
a
Explanation:
A. Channel and carrier proteins move substances in a certain direction, regardless of their concentration gradients.
Homeostasis is maintained by negative feedback loops within the organism. In contrast, positive feedback loops push the organism further out of homeostasis, but may be necessary for life to occur. Homeostasis is controlled by the nervous and endocrine systems in mammals.
B) Meiosis 1.
During anaphase, homologous pairs of chromosomes are separated into their own haploid daughter cells.
