Answer:
B) Hydrogen Bond
Explanation:
Those are the bonds that the restrictive enzymes unzip and the bonds that hold the complementary bases.
Answer:
Antigen-presenting cells show digested antigens to T cells through the MHC on their surface, which allows the T cell to “see” the antigen and recognize it as foreign. The connection between the MHC and the receptor on the T cell is the first signal necessary to activate the T cell to respond to a tumor and destroy it.
Explanation:
The air types can effect the weather,like cold air with huge breezes can make hail!
The second part of the small intestine is the large intestine