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16 Cards in this Set
- Front
- Back
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steroid hormones are derived from
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cholesterol
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exocytosis of synaptic vesicles requires what?
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calcium ions
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prokaryotes have no:
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nucleus, histones, microtubules (yes to flagella), membrane bound organelles (endosymbiotic theory)
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noncompetitive inhibition is a type of _____ regulation
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allosteric - affect at site other than active site
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in oxphos what is oxidized?
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NADH and FADH2
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oogenesis stops at ____ until ____
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Prophase I (no begin meiosis to become haploid) until ovulate; M2 at fertil
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development of zygote
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zygoe --> morula (solid ball of celles) --> blastula (hollow ball of cells w/ fluid filled center) --> gastrula (3 cell layers)
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what is biological induction?
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ability of 1 group of cells to affect diffrentiation of another
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zone labels for myosin and actin?
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myson = tHick, actin = thIn, A = overlap region (doesn't change) - 1 sarcomere = fibers b/w 2 Z lines
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reformation and resorption are associated with what activities?
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bond making and bone breaking - uptake and release of inorganic ions from/to blood
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cardiac sim to smooth ___, sim to skel____
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smooth: myogenic; skel: striated; in b/w w/ # nuclei (smooth = 1)
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pancreatic amylase functions where? Along with?
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small intest - along with enz produced in intestinal mucousal celles: lactase, sucrase, maltase (stem indicates what they act ON)
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what protein cleaving enzymes does pancreas release?ow are they activated?
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chymotripsin, trypsin, carboxypeptidase; activated by secretions of intestinal glands: enterokinase; also aminopeptidase
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what converts chymotripsinogen to active form?
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trypsin
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what converts typsinogen to trypsin?
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enterokinase
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what stimulates release of bile?
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hormone CCK released from duodenum in response to chyme
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