NPB 110A MIDTERM 3 EXAM WITH COMPLETE SOLUTIONS QUESTIONS AND CORRECT
ANSWERS 100% VERIFIED!!
endocrine singaling - (ANSWER)between two cells far away message (hormone) travels in blood
distant target cells
paracrine signaling - (ANSWER)say something to neighbor adjacent target cell
autocrine signaling - (ANSWER)talk to self target sites on same cell
nervous system - (ANSWER)rapid short acting signals
precise and direct connections between cells (synapses)
signals have low affinity
endocrine system - (ANSWER)slower acting longer lasting signals
homeostasis , growth and development, reproduction, and metabolism
diffuse indirect connections (via bloodstream)
singles have high affinity
HORMONES
amines - (ANSWER)tyrosine based signaling molecules
thyroid hormones T3 T4
steroids - (ANSWER)signals made from cholesterol
testosterone cortisol
HYDROPHOBIC not storable can cross membranes SLOW affect gene expression to make NEW proteins
low affinity bc mostly bound to transport protein
peptides - (ANSWER)short protein signalers
insulin
, NPB 110A MIDTERM 3 EXAM WITH COMPLETE SOLUTIONS QUESTIONS AND CORRECT
ANSWERS 100% VERIFIED!!
encoded by genes (ER to golgi to PM) in genome
HYDROPHILIC packed and stored in vesicles
travels freely in blood
don't want to go through PM bc love water
can also change gene expression
FAST-changes activity of existing proteins
hypothalamus - (ANSWER)receives large number of inputs integrates signals to coordinate an endocrine
response directly controls the pituitary
Pituitary - (ANSWER)secretes hormones into bloodstream controlling physiological functions
2 posterior facing back
6 anterior facing front
posterior pituitary - (ANSWER)controlled and secreted by a hypothalamic neurons
anterior pituitary - (ANSWER)controlled by a hypothalamic hormone which either stimulates or inhibits
release from the anterior pituitary
Trophic hormones - (ANSWER)act as growth factor and or mitogen on their target tissue
Tropic hormones - (ANSWER)regulate hormones secretion from their target tissue
endocrine signaling controlled by hypothalamus pituitary axis - (ANSWER)negative feedback ex thyroid
hormone
signal to hypothalamus TRH activates anterior pituitary hormones TSH finds thyroid gland receptors
releases TH TH inhibits anterior pituitary and hypothalamus
ANSWERS 100% VERIFIED!!
endocrine singaling - (ANSWER)between two cells far away message (hormone) travels in blood
distant target cells
paracrine signaling - (ANSWER)say something to neighbor adjacent target cell
autocrine signaling - (ANSWER)talk to self target sites on same cell
nervous system - (ANSWER)rapid short acting signals
precise and direct connections between cells (synapses)
signals have low affinity
endocrine system - (ANSWER)slower acting longer lasting signals
homeostasis , growth and development, reproduction, and metabolism
diffuse indirect connections (via bloodstream)
singles have high affinity
HORMONES
amines - (ANSWER)tyrosine based signaling molecules
thyroid hormones T3 T4
steroids - (ANSWER)signals made from cholesterol
testosterone cortisol
HYDROPHOBIC not storable can cross membranes SLOW affect gene expression to make NEW proteins
low affinity bc mostly bound to transport protein
peptides - (ANSWER)short protein signalers
insulin
, NPB 110A MIDTERM 3 EXAM WITH COMPLETE SOLUTIONS QUESTIONS AND CORRECT
ANSWERS 100% VERIFIED!!
encoded by genes (ER to golgi to PM) in genome
HYDROPHILIC packed and stored in vesicles
travels freely in blood
don't want to go through PM bc love water
can also change gene expression
FAST-changes activity of existing proteins
hypothalamus - (ANSWER)receives large number of inputs integrates signals to coordinate an endocrine
response directly controls the pituitary
Pituitary - (ANSWER)secretes hormones into bloodstream controlling physiological functions
2 posterior facing back
6 anterior facing front
posterior pituitary - (ANSWER)controlled and secreted by a hypothalamic neurons
anterior pituitary - (ANSWER)controlled by a hypothalamic hormone which either stimulates or inhibits
release from the anterior pituitary
Trophic hormones - (ANSWER)act as growth factor and or mitogen on their target tissue
Tropic hormones - (ANSWER)regulate hormones secretion from their target tissue
endocrine signaling controlled by hypothalamus pituitary axis - (ANSWER)negative feedback ex thyroid
hormone
signal to hypothalamus TRH activates anterior pituitary hormones TSH finds thyroid gland receptors
releases TH TH inhibits anterior pituitary and hypothalamus
