Biology

Biology, 04.07.2019 13:50, Aggie4216

Which of these parts of the membrane large molecules pass through it

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Biology, 19.07.2019 04:50, carolyntowerskemp

Which of these parts of the membrane large molecules pass through it?

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Biology, 22.09.2019 23:30, teddybear8728

/will reward/ water (h2o), carbon dioxide (co2), and oxygen (o2) are all quite small molecules, yet they move across cell membranes differently. both co2 and o2 passively diffuse across the cell membrane directly while h2o moves across the cell membrane by facilitated diffusion. what can be concluded about these three molecules based on the way they react to the cell membrane? the water molecules are attracted to the lipid tails of the cell membrane, but the carbon dioxide and oxygen molecules are not. the water molecules are too small to pass between the lipid tails of the cell membrane, while the molecules of carbon dioxide and oxygen are not. the water molecules are repelled by the lipid tails of the cell membrane, but the carbon dioxide and oxygen molecules are not. the water molecules are too large to pass between the lipid tails of the cell membrane, while the molecules of carbon dioxide and oxygen are not

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Biology, 26.09.2019 02:20, travorissteele822

Which of these parts of the membrane large molecules pass through it? a. globular proteins b. fatty acids c. phosphorus groups d. phospholipid bilayers

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Biology, 17.10.2019 23:30, gabbytopper8373

Which statements accurately reflect the permeability of the cell membrane? choose all that apply. the hydrophilic part of the cell membrane is a, the phosphate head. the lipid tails are hydrophobic and will only allow molecules which are small and polar to pass through. molecules that are large or charged must use a channel protein, such as d, to cross the cell membrane. molecules using membrane proteins, such as e, for transport require energy, charged molecules, such as k* or ca** are unable to pass through the lipid bilayer because of their charge and must use a membrane protein to cross the cell membrane. c, the lipid tails, are hydrophobic and repel water.

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