BIO 305 EXAM 4 2026 FINAL REVIEW PACK
COMPLETE QUESTION SET AND CORE
CONCEPT SUMMARY
◉ neurons also act as ________ cells. Answer: endocrine
◉ why aren't paracrine and autocrine endocrine signaling. Answer:
signal does not travel through blood
◉ 3 chemical classes of hormones. Answer: steroid
amine
protein
◉ steroids are derived from. Answer: cholesterol
◉ amines are derived from. Answer: AA
◉ structure informs _________. Answer: fxn
◉ we need ___________ which is made by the liver. Answer: cholesterol
,◉ _______ and ________ hormones are made ___ _______ and are bad at
storage. Answer: steroid and thyroid
on demand
◉ hydrophobic horm
(long/short) lasting
what kind of receptor
what 2 types. Answer: long lasting
nuc receptor
steroid/thyroid
◉ 4 types of steroid horm. Answer: aldosterone
estradiol
cortisol
testosterone
◉ hydrophilic horm
(long/short) lasting
what kind of receptor
what 2 types. Answer: short lasting
cell surface receptors
amine/peptide
, ◉ problems of endocrine signaling. Answer: dilution and attached to
carrier proteins
◉ 2 types of hormone receptors. Answer: cell surface and nuc
◉ nuclear receptor usually needs hormone to do what. Answer:
enter cell
◉ what does the receptor hormone complex do. Answer: binds DNA
and increases gene transcription
◉ 3 types of hormonal regulation. Answer: synergism
permissiveness
antagonism
◉ synergism. Answer: 1 + 1 = 4
◉ permissiveness. Answer: second horm permits first to act
◉ antagonism. Answer: 1 + 1 = 0
COMPLETE QUESTION SET AND CORE
CONCEPT SUMMARY
◉ neurons also act as ________ cells. Answer: endocrine
◉ why aren't paracrine and autocrine endocrine signaling. Answer:
signal does not travel through blood
◉ 3 chemical classes of hormones. Answer: steroid
amine
protein
◉ steroids are derived from. Answer: cholesterol
◉ amines are derived from. Answer: AA
◉ structure informs _________. Answer: fxn
◉ we need ___________ which is made by the liver. Answer: cholesterol
,◉ _______ and ________ hormones are made ___ _______ and are bad at
storage. Answer: steroid and thyroid
on demand
◉ hydrophobic horm
(long/short) lasting
what kind of receptor
what 2 types. Answer: long lasting
nuc receptor
steroid/thyroid
◉ 4 types of steroid horm. Answer: aldosterone
estradiol
cortisol
testosterone
◉ hydrophilic horm
(long/short) lasting
what kind of receptor
what 2 types. Answer: short lasting
cell surface receptors
amine/peptide
, ◉ problems of endocrine signaling. Answer: dilution and attached to
carrier proteins
◉ 2 types of hormone receptors. Answer: cell surface and nuc
◉ nuclear receptor usually needs hormone to do what. Answer:
enter cell
◉ what does the receptor hormone complex do. Answer: binds DNA
and increases gene transcription
◉ 3 types of hormonal regulation. Answer: synergism
permissiveness
antagonism
◉ synergism. Answer: 1 + 1 = 4
◉ permissiveness. Answer: second horm permits first to act
◉ antagonism. Answer: 1 + 1 = 0
