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The cell membrane has two phospholipids, with hydrophilic (water-loving) heads facing the outside while the hydrophobic tails point in. Water cannot pass through because of this characteristic. The hydrophilic "heads" attract water since they are polar, but the hydrophobic "tails" are non polar and reject water.
H20 passes by means of a channel protein.
Wiki User
∙ 13y ago
Wiki User
∙ 9y agoWater passes quickly through cell membranes of aquaporins. It is a channel proteins that creates a passage for water molecules through the membrane.
Wiki User
∙ 13y agoit moves through aquaporins in the membrane.
Wiki User
∙ 12y agoBecause of aquaporins, channel proteins that create a passage for water molecules through the membrane.
Wiki User
∙ 13y agoA channel protein
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What is it called when sugar passes through an animal cell?
glucose (sugar) can diffuse through cell membranes
Explain What happens when a beam of light passes through a colloidal solution and why?
When a beam of light passes through a colloidal solution it scatters because of tyndall effect.
Why does water require channels to be transported across the membranes?
Water doesn't require channels to be transported across membranes because water is small enough to slip past the membrane; however, some cells do have channels, called aquaporins, which greatly increase the rate that water passes through the membrane.
What do cell membranes do in both plants and animal cells?
Cell membranes control what passes in and out of the cell. The cell membrane functions this way in both plant and animal cells.-Chocolate391
Water often passes through beds of limestone because?
the beds have cracks and fissures in them
What is the movement of potassium into an animal cell requires?
The movement of potassium into an animal cell requires an energy source such as ATP or a proton gradient. Water passes quickly through cell membranes because it moves through aquaporins in the membrane.
What is it called when sugar passes through an animal cell?
glucose (sugar) can diffuse through cell membranes
What is the first step in the desalination process?
the first step is it passes through all the membranes
What happens to a baby's blood as it passes through a placenta?
diffuse across the placental membranes into the mothers bloos.
What is the outcome of the food if it passes to slowly or too quickly through the colon?
If food passes too slowly through your colon, you are constipated. If food passes too quickly through your colon, you have diarrhea. If you have either of these symptoms for a long period of time, you should contact your doctor.
How do invertebrates achieve osmoregulation?
Invertebrates achieve osmoregulation by conforming to the surrounding water. They use membranes to achieve this type of regulation and water passes back and forth through the membranes.
When the chyme passes too quickly through the small intestines nutrients are what?
not absorbed
Outcome if food passes too slowly or too rapidly through the colon?
If food passes too quickly through your colon it is not absorbed. If food passes too slowly through your colon it backs your system up.
As air passes over the moist mucous membranes on inhalation decreases the amount of?
As air passes over the moist mucous membranes on inhalation decreases the amount of moisture in the membranes. The mucus along the membranes trap foreign particles prevention them from entering the lungs.
Water passes through a cell membrane by?
What_is_the_passage_of_water_through_cell_membranes_calledPassage of water through cell membranes occurs through osmosis.
How come water passes through sand better than clay?
because sand has small grains and allows water to travel through it. Clay has smaller grains than sand and doesn't allow water to travel through it quickly.
Why does nutrient pass through an eco system?
Nutrients passes through an ecosystem because each animal has its own "healthiness" that passes through when a animal is eaten.
