Photosynthesis is important to living organisms because it is
a. the foundation of most food c...
Biology, 01.09.2019 01:00, annikafischer
Photosynthesis is important to living organisms because it is
a. the foundation of most food chains
b. the source of nitrogen gas in the air
c. how animals get carbon dioxide to breathe
d. the process that occurs in most ecosystem
Answers: 2
Biology, 21.06.2019 21:20, zay65307
Atypical human cell is approximately 12.00 ÎĽm in diameter and enclosed by a membrane that is 5.000 nm thick. (a) what is the volume of the cell including the membrane? (b) what is the volume of the cell membrane? (c) what percent of the total volume does its membrane occupy? to simplify the calculations, model the cell as a sphere. enter your answers using four significant figures.
Answers: 3
Biology, 22.06.2019 22:00, ellycleland16
Cancer cells spread to other parts of the body by entering the bloodstream. which of the following organs could prevent a cancer cell in the bloodstream from spreading, and why? a. the spleen, because it releases lymphocytes into the blood b. the peyer's patches, because they release lymphocytes into the blood c. the lymph nodes, because they release lymph into the blood d. the thymus, because it releases lymph into the blood
Answers: 1
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