Notes in L3 - Regulation of Membrane Transport

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Published	11/02/2024	What are the three locations in the body where active transport is required to move glucose into cells?
Published	11/02/2024	Protein channels called {{c1::aquaporins}} allow for movement of water across biological membranes.
Published	11/02/2024	Cell volume increases in {{c1::hypotonic}} solutions. Net movement of water is into the cells in such situations.
Published	11/02/2024	Cell volume decreases in {{c1::hypertonic}} solutions. Net movement of water is out of the cells in such situations.
Published	11/02/2024	what are the 2 modes of passive transport?
Published	11/02/2024	transporters work similarly to enzymes in that molecules bind to their transporters {{c1::with a certain affinity, Km}}
Published	11/02/2024	in primary active transport, {{c1::the energy derived from ATP hydrolysis directly}} moves molecules across membranes against their electrochemical gr…
Published	11/02/2024	in both symport and antiport, 2 molecules are transfered at a time:{{c1::one with the gradient}}{{c1::one against the gradient}}
Published	11/02/2024	Depending on the cell type, facilitated diffusion of glucose via uniporters may occur by {{c1::an insulin-dependent}} or {{c1::insulin-independent}} m…
Published	11/02/2024	Glucose transport into {{c1::erythrocytes}}, {{c1::leukocytes}}, {{c1::hepatocytes}}, {{c1::brain cells}}, and {{c1::eye cells}} does NOT depend on th…
Published	11/02/2024	Glucose transport into {{c1::skeletal muscle cells}} and {{c1::adipocytes}} requires the presence of insulin
Published	11/02/2024	{{c1::image-occlusion:rect:left=.2185:top=.1327:width=.2344:height=.071:oi=1}}{{c1::image-occlusion:rect:left=.2185:top=.5031:width=.2295:height=.0741…
Published	11/02/2024	{{c1::image-occlusion:rect:left=.221:top=.6593:width=.2783:height=.092:oi=1}}{{c1::image-occlusion:rect:left=.217:top=.2879:width=.269:height=.1244:oi…
Published	11/02/2024	GLUT 1 and GLUT 3 are {{c1::always active}}
Published	11/02/2024	Steps for insulin-sensitive glucose transport: {{c1::When blood glucose concentrations increase, insulin is released}}.{{c1::Insulin signals skeletal …
Published	11/02/2024	Transport of glucose into liver cells increases when {{c1::blood glucose concentration increases}}
Published	11/02/2024	why do GLUT's have low affinity?
Published	11/02/2024	how does glucose enter cells where the intracellular content of glucose is higher than the extracellular content?
Published	11/02/2024	once inside intestinal epithelial cells, glucose can be exported into the blood by {{c1::another glucose transporter (uniporter)}} on the other side o…
Published	11/02/2024	Many drug transporter function as {{c1::primary and secondary active transporters}}.
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