Explanation:
After repeated stimulation by antigen, B cells can make antibodies that bind their antigen with much higher affinity a process called affinity maturation. ... Thus, antigen stimulation greatly increases the antibody arsenal. Antibodies are proteins, and proteins are encoded by genes.
Answer:
petals are colorful because the color attracts birds, bees and other insects. The insects land in the flower and spread pollen, which helps fertilize the flowers and create seeds. Some flowers change color as they grow older.
Answer:
It serves a protective function against bacteria and the wearing away of certain organs by lining various structures. Also prevent water loss.
Explanation:
Answer:
3.
Explanation:
there are three things that make up any nucleus:
Protons
Neutrons
Electrons
The amount of each will very by what type of atom it is, but the things that make up a nucleus do not change when in the body.
