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A process in which some substance are too large to pass through the membrane is endocytosis
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∙ 11y ago
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What molecules can freely cross the plasma membrane?
Proteins, Carbohydrates, and Cholesterol. (Check out, 'fluid mosaic')
What is pore protein?
integral protein that embedded to the plasma membrane. Allow small substances to cross the plasma membrane.
What depends on a molecule that can cross the plasma membrane?
The Gonhiqule depends on a molecule and cross the plasma membrane in an animal cell, but is a different story for the plant cell because of the cell wall.
How does nitric oxide cross the plasma membrane?
Simple Diffusion
Which molecules do not normally cross the nuclear membrane?
DNA
Why can oxygen easily cross the plasma membrane but sodium ions are unable to cross the plasma membrane?
Gh
How do glucose molecules cross a plasma membrane?
Facilitated Diffusion
How easy or hard is it for polar molecules to pass through the cell membrane?
Polar molecules are effectively charged molecules. It's hard for them to cross the cell membrane because the membrane is comprised of an uncharged phospholipid bilayer. Charged molecules tend to have specific protein channels that allow them to cross the membrane.
How do glucose molecules cross a plasma membrane on the apical side of epithelial cells?
secondary active transport
Ions cannot cross back and forth across the neuron cell membrane?
Water diffuses across the plasma membrane, and this can affect cell size and .... proceeds, the different type cells of the embryo develop their ... or ion so that it can cross the plasma .... molecules cannot cross the membrane because they are un- able to ... plasma membrane and the back and forth arrows indicate that these.
What molecules can freely cross the plasma membrane?
Proteins, Carbohydrates, and Cholesterol. (Check out, 'fluid mosaic')
What is pore protein?
integral protein that embedded to the plasma membrane. Allow small substances to cross the plasma membrane.
What depends on a molecule that can cross the plasma membrane?
The Gonhiqule depends on a molecule and cross the plasma membrane in an animal cell, but is a different story for the plant cell because of the cell wall.
What properties does a selective permeable membrane have?
the ability to allow materials to cross a membrane
How does nitric oxide cross the plasma membrane?
Simple Diffusion
Which feature of a membrane describes molecules whether can cross the membrane?
permeability
Which molecule of a membrane describes whether molecules can cross the membrane?
permeability
