Where do animals obtain carbon?
a. the atmosphere
b. plant and animal consumption
...
Biology, 30.08.2019 06:00 claudia122752
Where do animals obtain carbon?
a. the atmosphere
b. plant and animal consumption
c. the soil
d. photosynthesis
Answers: 2
Biology, 21.06.2019 13:30, natlovesfood
Which of the following substances is not involved in the chemical reaction that pro- duces smog? a. sunlight b. particulate matter c. automotive exhaust d. ozone
Answers: 2
Biology, 22.06.2019 13:20, abolton04
Imagine a self-reactive t cell that has not undergone clonal deletion in the thymus (that is to say, it has escaped central tolerance). if it encounters self antigen in the absence of an infection or inflammation, what will happen to this self-reactive t cell? (select two answers) (a) the t cell undergoes clonal expansion. (b) the t cell gains effector functions. (c) the t cell undergoes apoptosis. (d) the t cell becomes activated. (e) the t cell becomes anergic.
Answers: 1
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