bio 183 exam 5 final review
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53 terms
Terms | Definitions |
|---|---|
 steroid hormone | change gene activity and production of protein |
| proteins, steroid | two classes of hormones |
| chemistry, cellular action, speed | what do the two classes hormones of differ in |
| protein hormone | change enzyme activity |
| protein hormones | membrane receptors, change protein activity |
| steroid | intracellular receptors, change gene transcription |
| adh, OXYTOCIN | posterior pituitary secretes 2 hormones: |
| thyroxine | regulation of metabolic rate |
| insulin and glucagon | regulation of blood glucose concentration |
| adh and aldosterone | regulation of blood osmolarity |
| gain | person with low thyroxine levels would have weight |
| primary hypothyroidism | thyroid can't produce amount of hormones pituitary calls for |
| secondary hypothyroidism | thyroid isn't being stimulated by pituitary to produce hormones |
| hasimoto's thyroiditis | autoimmune disease, antibodies destroy thyroxine producing cells, causing hypothyroidism |
| grave's disease | production of thyroid stimulating immunoglobuin, which activates TSH receptors and causes hyperthyroidism |
| ADH | an osmoregulatory hormone protein |
| steroid | an osmoregulatory hormone aldosterone |
| diabetes inspipidus | mutation in ADH production causes dehydration |
| collecting duct | what does ADH act on |
| aldosterone | increased NA and water reabsorption |
| increase production of sodium pumps | mechanism of aldosterone action |
| adrenal gland | where is aldosterone from |
| ledyin cell | target of testosterone |
| sertoli cell | target of FSH |
| protein | LH and fSh are what type of hormones |
| steriod | estrogen and progesterone are what type of hormone |
| ovulation and formation of corpus luteum | LH surge triggers what? |
| progesterone | what does the corpus luteum make |
| gamete formation | FSH involved with what |
| vessel dilates | beta receptors for epinephrine |
| vessel constricts | alpha receptors for epinephrine |
| cortisol | narrow capillary pores to prevent excess fluid loss from blood vessels |
| inhibits enzyme involved with gnRH release | what does a protein hormone do in reproductve inhibition with stress |
| decreases production of gnrh receptors | what does a steroid hormone do in terms of reproduction inhibition with stress |
| k+ leaks out more than na+ leaks in | permeability |
| two k+ in for eveyr three na+ out | pump |
| modality | what kind of stimulus energy? |
| intensity | how much stimulus? |
| sensory transduction | converting a stimulus into an electrical change in a cell |
| qualities | within each modality there are multiple _____ |
| weak stimulus | a little neurotransmitter release, low action potential frequency |
| strong stimulus | a lot of neurotransmitter release, high action potential frequency |
| cochlea | where is pitch detected |
| near vision | lens comes thicker and rounder |
| distance vision | lens becomes flatter |
| near sighted | eye ball too long |
| far sighted | eyeball too flat; converging corrective lens |
| temporal summation | Summation by a postsynaptic cell of input (EPSPs or IPSPs) from a single source over time. |
| spatial summation | Integration by a postsynaptic neuron of inputs (EPSPs and IPSPs) from multiple sources. |
| increase AP, number of motor units | two ways to increase strength of contraction |
| auxillary buds | what does auxin inhibit |
| aleurone | gibberellins send signal to _____ |
| amylase | aleurone secretes |
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