Biology, 04.07.2019 16:00 ivanlopez9852
Ihave a ! pls ! in which direction do substances move during passive transport? choose 1 a) from top to bottom b) from left to right c) from high to low concentration d) from low to high concentration
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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 01:30
Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.
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Biology, 22.06.2019 06:00
Monomers are the building blocks of larger molecules, called polymers. for example, proteins are composed of chains of amino acids that are linked together. cellulose is a polymer that makes up plant cell walls. cellulose is made from a chain of c6h10o5 molecules. which monomers are most likely used to produce cellulose? why?
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Biology, 22.06.2019 14:40
In general, characteristics that an organism survive and reproduce become more common in a population over time. what mechanism of evolution cause this change?
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Ihave a ! pls ! in which direction do substances move during passive transport? choose 1 a) fro...
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