Biology, 30.10.2019 04:31 ayeheavymetal
Astudent visits a stream the student rights down four statements in his notebook. what statement is an inference?
(1) the maximum water depth is 8.7 m
(2)the water is so clear that i can see the bottom (3)the stream is formed during the last ice age. (4) the water temperature is 16.0°c
Answers: 3
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Which of these is not a function of some membrane proteins ? a.allowing polar molecules to enter the cell b.recognizing other types of cells c.receiving messeges from other cells b.carrying messages to oher cells
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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 03:00
The term equestrian relates to which animal? bulls cows horses pigs
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Astudent visits a stream the student rights down four statements in his notebook. what statement is...
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