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A nonsteroid hormone enters a target cell by passing across its cell membrane?
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∙ 11y ago
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∙ 11y ago
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What hormone aids the diffusion of glucose across the cell membrane?
INSULIN
What type of hormone does NOT require a messenger to move it across the cell membrane?
adh
What hormones can cross the cell membrane?
steroid hormonesSteroidalHormones are steroids and go across the membrane through specific receptors - this is why a hormone will act on certain tissue only e.g. estrogen only on mammary glands, uterus etc.
What is the process of water diffusing across a what membrane?
Water diffusses across a semipermeable membrane
The movement of water across a membrane is trem?
The movement of water across a membrane is called osmosis.
What hormone aids the diffusion of glucose across the cell membrane?
INSULIN
What type of hormone does NOT require a messenger to move it across the cell membrane?
adh
List one way osmosis is the same as diffusion?
A substance is passing through a membrane across a concentration gradient to the point of equilibrium.
Describe how the diffusion of ions across a cell membrane differs from the diffusion of nonpolar molecules across the cell membrane?
Ions need to be facilitated through a cell membrane because they are passing through a phospholipid bilayer with a hydrophobic interior. Non polar molecules are also hydrophobic, so they can pass through the membrane easily if they are small enough. Ions are polar, so they have a hard time passing through membranes.
What is the membrane protein's function?
Membrane proteins have many different functions; many are involved in transport across the cell membrane, such as channels, carriers and pumps (e.g .the Na/K-ATPase and P-glycoprotein), others are hormone receptors (e.g. EGFR and the insulin receptor) or confer structure to the cell membrane.
What hormones can cross the cell membrane?
steroid hormonesSteroidalHormones are steroids and go across the membrane through specific receptors - this is why a hormone will act on certain tissue only e.g. estrogen only on mammary glands, uterus etc.
What is the process of water diffusing across a what membrane?
Water diffusses across a semipermeable membrane
The movement of water across a membrane is trem?
The movement of water across a membrane is called osmosis.
What is the transport of water across the cell membrane called?
Movement of water across a membrane is called OSMOSIS.
How plasma membrane diffuse across plasma membrane?
Ions can't diffuse across membranes, they must used channels to transport across
In osmosis which membrane provides net movement of water without movement of NaCl?
Osmosis across a selectively permeable membrane allows water across but disallows other particles across the membrane.
Pyruvic acid across the puter mitochondrial membrane and across the inner mitichondrial membrane.?
quelle problem a driss
