Answer:
Oocyte: A cell in a ovary which may undergo meiotic division to form an ovum
Although allergic reactions are triggered by allergens like pollen and fungi, the actual cause of the symptoms like mucous production and constricted airways is A) the body's immune response. B) the effect of medical treatment. C) the surrounding weather conditions. D) the clogging effect of the allergens. <span>Although allergic reactions are triggered by allergens like pollen and fungi, the actual cause of the symptoms like mucous production and constricted airways is
A)
the body's immune response.
B)
the effect of medical treatment.
C)
the surrounding weather conditions. </span>
Cell membranes serve as barriers and gatekeepers. They are semi-permeable, which means that some molecules can diffuse across the lipid bilayer but others cannot.
