Biology, 27.07.2019 19:30 kswaggish101
Asodium-potassium pump within a cell membrane requires energy to move sodium and potassium ions into or out of a cell. the movement of glucose into or out of a cell does not require energy. which statement best describes the movement of these materials across a cell membrane? * 1 point sodium and potassium ions move by active transport, and glucose moves by osmosis. sodium and potassium ions move by active transport, and glucose moves by facilitated diffusion. sodium and potassium ions move by facilitated diffusion, and glucose moves by osmosis. sodium and potassium ions move by facilitated diffusion, and glucose moves by active transport.
Answers: 1
Biology, 21.06.2019 21:00
In natural selection, what is actually “selected? ” a) alleles are directly selected b) genotypes are directly selected c) phenotypes are directly selected d) entire populations are directly selected
Answers: 2
Biology, 21.06.2019 22:00
According to piaget, children have acquired the cognitive skill of conservation when they're able to a. understand that six ounces of liquid in a jar and six ounces in an elongated tube are equal. b. understand the viewpoint of other people. c. relate objects around them to their own needs. d. realize that the term heavy describes an object one way and the term big describes it another way. it is not b nor c. did this 2 x wrong..
Answers: 1
Biology, 22.06.2019 06:00
Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?
Answers: 1
Biology, 22.06.2019 09:50
The frequency of alleles in a population that is in hardy weinberg equilibrium? a . changes in each successive generation b. is less important than the frequency genotypes c. shows evidence of the process of natural selection d. remains the same over several generations
Answers: 2
Asodium-potassium pump within a cell membrane requires energy to move sodium and potassium ions into...
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