Cell membranes are selectively permeable, regulating which substances can pass through, as well as how much of each substance can enter or exit at a given time. In cells, some molecules can move down their concentration gradients by crossing the phospholipid portion of the membrane directly, while others must pass through membrane proteins. Which of these statements does NOT apply to facilitated diffusion?
Answers: 3
Biology, 21.06.2019 17:30
In order to clone adult animals, scientists typically begin with a(n)
Answers: 1
Biology, 22.06.2019 00:30
Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen
Answers: 2
Biology, 22.06.2019 03:30
Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry
Answers: 2
Biology, 22.06.2019 08:30
If the rna molecule in a human has the nucleotide sequence of guu, this would the amino acid valine would be needed to make the protein. how would this cha process was occurring in a mushroom?
Answers: 2
Cell membranes are selectively permeable, regulating which substances can pass through, as well as h...
English, 22.10.2019 10:00
Mathematics, 22.10.2019 10:00
Physics, 22.10.2019 10:00
Mathematics, 22.10.2019 10:00
Physics, 22.10.2019 10:00
Mathematics, 22.10.2019 10:00
History, 22.10.2019 10:00
Mathematics, 22.10.2019 10:00
Mathematics, 22.10.2019 10:00
Biology, 22.10.2019 10:00