Answer:
Mark pathogenic cells for destruction. (Ans. B)
Explanation:
Antibodies are generated by the plasma cells, and once these secreted, they attach quickly to the surface of the toxin and stop the toxin from infecting the normal body cell by blocking key extracellular sites.
Antibodies also help to mark pathogens for destruction by the help of macrophages or neutrophils and they are known as phagocytic cells because they are highly excited to macro-molecules complexed with antibodies.
<span>The insect might be an unknown variation or a new species.</span>
The correct answer is "false".
The urine comes from the kidneys and will pass through the renal pelvices where they will form the ureters. The urine in the ureters will eventually flow to the urinary bladder where it is stored. Eventually, in urination, the urine is expelled from the urethra.
Answer:
abiotic factors are factors that are not organ or biotic as one would say like the nevirmwnt or air or water biotic factors are things like tress food plants ect