Biology, 25.08.2019 19:30 princessbreanna0
The connection between the mother and the embryo that provides the embryo with oxygen and nutrients and waste disposal is the
a.) amnion
b.) cervix
c.) fallopian tube
d.) placenta
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
Biology, 23.06.2019 01:30
Maria wanted to grow a fern in her backyard. acting on a suggestion from a friend, she collected brown dots from the underside of a fernโs leaves and then potted them. after a few days, maria saw small fern leaves erupting from the pot. which statement explains this phenomenon?
Answers: 2
Biology, 23.06.2019 03:30
More gametes need to be made! if the diploid number of the organisms is 120, how many chromosomes will it have at the end of meiosis ii? a. 30 b. 60 c. 120 d. 240 e. 480
Answers: 1
The connection between the mother and the embryo that provides the embryo with oxygen and nutrients...
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