Which of the following processes results in adaption
1)natural selection
2)genetic drift...
Biology, 05.05.2020 10:29 Perdikaris
Which of the following processes results in adaption
1)natural selection
2)genetic drift
3)nonrandom mating
4)migration
5)mutation
Answers: 2
Biology, 22.06.2019 01:50
Sperm pass through the and connect to a short ejaculatory duct. vas deferens prostrates seminiferous tubules none of the above
Answers: 2
Biology, 22.06.2019 09:30
What's wrong with this ecological pyramid? (multiple choice)1. secondary consumers should be at the bottom of the pyramid2. the sun has an arrow leading to decomposers 3. primary consumers should come after the sun4. energy retained should increase from the bottom to the top5. the sun should be at the bottom of the pyramid
Answers: 1
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
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