Does crossing over occur in sex
chromosomes?...
Answers: 1
Biology, 22.06.2019 05:50, nschavez123
Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?
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Biology, 22.06.2019 18:30, tyshunstephens0
Which of the following are not matched correctly? cd8+: directly destroy infected or cancerous cells t reg cell: reduce the adaptive response once threat passes t l: activate cellular branch (cytotoxic t cells, macrophages, nk cells) t 2: stimulate b cells to make antibodies t (cd4+): mhc i
Answers: 3
Biology, 23.06.2019 02:50, ilovesummertime207
Monkeys and humans share many of the same dna sequences and have similar proteins, indicating that a) the two groups belong to the same specie b) the two groups share a relatively recent common ancestor c) the two groups first appeared on earth at about the same time d) monkeys evolved from humans
Answers: 1
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