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glucose, iodine.. but not starch... its too big so i has to break down into glucose before it can cross the membrane
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∙ 12y agoThis answer is:
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Earn +20 ptsQ: What substance can defuse across a membrane?
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Related questions
What is the membrane said to be if a substance is able to diffuse across a membrane?
selectively permeable
If a substance is able to diffuse across a membrane then the membrane is said to be what?
selectively permeable
If a substance is unable to diffuse across a membrane we say the membrane is?
osmotically active
The difference in the concentrations of a substance across a cells membrane?
action potential
When does diffusion occur across a cell membrane?
Diffusion across a cell membrane occurs when concentrations of a substance are higher either inside or outside the cell.
Describes the difference in the concentrations of a substance across a cell membrane?
action potential
What describes the difference in the concentrations of a substance across a cells membrane?
action potential
Which term describes the difference in the substance across a cells membrane?
Concentration Gradient.. :)
How do carrier proteins transport substance across the membrane?
The carrier protein changes shape , shielding the molecule from the interior of the membrane.
What is facilitated diffusion across the phospholipid membrane?
Facilitated diffusion is the movement a substance from high concentration to low concentration across a membrane through a transporter protein or channel
What term describes the difference in the concentrations of a substance across a cell membrane?
concentration gradient
What term describes the different in the concentrations of a substance across a cells membrane?
action potential
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