Biology, 20.04.2020 23:50 dxpebetty64
Fish and larval amphibians live in water. Although their cells produce all three forms - ammonia, urea, and uric acid - the major form of nitrogenous waste that these animals actually excrete in their urine is which, and why
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Biology, 22.06.2019 13:20
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.
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Biology, 22.06.2019 15:00
Based on the number of offspring they produce at one time organisms are classified into two categories many offspring at once and a few at a time sort the carry sticks based on the category they describe
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Biology, 22.06.2019 16:00
Prior knowledge can be gained from personal experience and a) forming well-developed hypotheses. b) listening to opinions of other people on a topic. c) researching previous experiments and results on a topic. eliminate d) no other methods. it can only be gained by personal experience.
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Fish and larval amphibians live in water. Although their cells produce all three forms - ammonia, ur...
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