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Biology, 21.06.2019 19:30
All living organisms are composed of a. only one cell. b. at least 100 cells. c. at least three cells. d. one or more cells.
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Biology, 22.06.2019 20:30
Explain how the concentration gradient affects the process of atp synthesis
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Biology, 22.06.2019 22:10
Red blood cells are responsible for transporting oxygen in the blood. people with sickle cell anemia were born with a defective gene that results in sickle-shaped red blood cells. individuals with the disease often suffer pain in their extremities due to the build-up of these cells causing blockages in the blood vessels. the shape of the blood cells also reduces the amount of oxygen transported in the blood.
Answers: 1
A. a long chain of amino acid molecules, may contain C, H, O, N, and sometimes S...
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