T cells. When HIV arrives in the lymph nodes – around 24 to 48 hours after exposure – they activate other immune cells, such as CD4 t-cells, HIV's primary target.
Proteins are polymers, relatively large molecules made form many smaller molecules. Each protein molecules is built up from amino acids, smaller monomer molecules that join end to end to make the protein polymers molecule. <span />
Answer: False
Explanation:
The saggital plane divides the body into two halves based on the fact that the body is segmented into left and right planes.
The plane may be away or at can lie at the center of the body and it splits the body into parts. It may be far or close to the midline of the body. It may also split the body into two unequal parts.
The term saggital is coined by Gerard Cremona.
Answer:
As objects move around over time, the energy associated with them—e.g., kinetic, gravitational potential, heat—might change forms, but if energy is conserved, then the total will remain the same. Conservation of energy applies only to isolated systems.
Explanation:
The answer is D, a desert biome,
