Mention some lipid-soluble hormones.
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Mention some of the endocrine hormones.
1. which is not a factor affecting membrane transport of a molecule?
a. molecular size b. lipid solubility c. its role in homeostasis d. concentration of the molecule
2. True or false: In allosteric enzyme inhibition, the active site is blocked by another molecule
3. Thyroxine (t4) is synthesized from the amino acid called tyrosine, therefore it belongs to the category of hormones called_____. however, since t4 is a ______ hormone, it utilizes an itracellular receptor mechanism.
a. steroids; lipid-soluble b. amines; lipid-soluble c. peptides; water soluble d. steroid; water soluble e. amines; water-soluble
4. according to peter mitchell's model of chemiosmosis, a ________ is used to activate the mitochondrial ATP synthase in the production of ATP
a. H+ gradient b. CA++ gradient c. NA+ gradient d. K+ gradient e. ATP gradient
5. which of the following serves as a bridge step from glycolysis to the kreb's cycle?
a. the convesion of PGAL to PGA b. oxidative phosphorylation c. kreb's cycle d. acetyl CoA formation e the regeneration of NAD
Mention the properties of the fat-soluble vitamins?
Ā
