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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.
What else can I help you with?
How does carbon monoxide enter and exit cell membranes so quickly?
Carbon monoxide is a small, non-polar molecule that can diffuse rapidly through cell membranes. It passes through the lipid bilayer of the membrane due to its small size and non-polar nature, allowing it to move quickly in and out of cells. Additionally, carbon monoxide has a high affinity for hemoglobin, which helps facilitate its transport across cell membranes.
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
What is it called when sugar passes through an animal cell?
glucose (sugar) can diffuse through cell membranes
Does the equator passes through gabon?
Yes, the equator passes through GABON.
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.
What happens to a baby's blood as it passes through a placenta?
diffuse across the placental membranes into the mothers bloos.
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.
How does carbon monoxide enter and exit cell membranes so quickly?
Carbon monoxide is a small, non-polar molecule that can diffuse rapidly through cell membranes. It passes through the lipid bilayer of the membrane due to its small size and non-polar nature, allowing it to move quickly in and out of cells. Additionally, carbon monoxide has a high affinity for hemoglobin, which helps facilitate its transport across cell membranes.
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.
Can a dog poop if there is intestinal blockage?
yes the bacteria passes through the blockage because it is so small yes the bacteria passes through the blockage because it is so small
Do plants have cell membrane?
Plants have cell membranes just inside their cell walls. The cell membranes control what passes into and out of the cell.
How can impulse be prevented?
because of the nerves, it passes through the nerves
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.
