In biology, the active site is the region of an enzyme where substrate molecules bind and undergo a chemical reaction. The active site consists of residues that form temporary bonds with the substrate (binding site) and residues that catalyse a reaction of that substrate (catalytic site).
<span>Out of the following given choices;</span>
A. Further antibody attack.
B. Phagocytosis
C. Helper T cells
D. B cells.
E. None of the above.
The answer
is B. Phagocytises is the engulfment of a particle from the external
environment, by a cell, for ingestion. This is especially critical for the
function of macrophages, which are immune cells. These macrophages have receptors
for the Fc region of the immunoglobulin on their cell membrane surface.
One 0 because it only say 2
Plants use their stomata to take in Carbon dioxide and take out oxygen during photosynthesis. It's how they "breathe" if that makes it more understandable.
Answer:
0%
Explanation:
To solve this, we can use a Punnett square.
R R
R RR RR
W RW RW
From this cross, there are two possible genotypes: RR and RW. The genotype RR results in a red flower, and the genotype RW results in a pink flower. Since the genotype WW is not possible with this cross, none of the offspring are expected to have white flowers.
