Biology, 13.01.2021 16:10 whereswoodruff
During women experience rapid contractions around the vagina that may or may not produce a vaginal secretion or ejaculate.
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Biology, 21.06.2019 20:00
How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?
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Biology, 22.06.2019 01:30
Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.
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Biology, 22.06.2019 11:30
In a population that is in hardy-weinberg equilibrium, there are two possible alleles for a certain gene, a and a. if the frequency of allele a is 0.4, what fraction of the population is heterozygous? a. 0.40 b. 0.60 c. 0.16 d. 0.48
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During women experience rapid contractions around the vagina that may or may not produce a vaginal...
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