Biology, 28.01.2020 20:03 dontcareanyonemo
If a farmer plants the same crop every year, the soil becomes less fertile. what causes the loss of fertility?
Answers: 2
Biology, 22.06.2019 09:20
Give examples of selective advantage of organism’s body part/organ
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Biology, 22.06.2019 10:00
Suppose you use three different scale to weigh a bag of organges. one scale says the nag weighs 2.1 lb, and third says it weighs 2.1 lb. the actual weight of the bag of organges is 2.153 lb. which of the following best decribes these results?
Answers: 3
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.
Answers: 1
Biology, 22.06.2019 17:30
Which atmospheric later is where earths northern and southern lights occur
Answers: 2
If a farmer plants the same crop every year, the soil becomes less fertile. what causes the loss of...
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