PLEASE ANSWER ASAP FOR BRAINLEST Sites where white blood cells interact to generate immune responses to antigens inducing the Spleen Tonsils Lymph vessels Lymph nodes Adenoids Skin Liver *
A. immune system
B. Thymus
C. Bone marrow
D. B cells and T cells
E. Secondary lymphatic tissues

Sweating and breathing is an example of differentiation specialization maintaining homeostasis metabolism

If the coding part of an mrna molecule is 1800 nucleotides (bases) in length, this molecule will contain codons and code for a polypeptide that is amino acids long.

This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.