what is down regulation
a decrease in sensitivity of a receptor to its hormone
steroid
adrenal cortex, gonads
through cell membrane
receptor is inside
transcription
polypeptide
GH, insulin
on membrane
second messenger
transcription
amine
EP, NE
tyrosine, tryptophan
on membrane
second messenger
process of muscle synthesis
activity-> loading-> damage-> inflam-> degradation-> endocrine response-> synthesis
heavy resistance training using 1 or 2 reps may ___ receptor quantity without increasing testosterone concentration following a workout
increase
heavy exercise ___ free testosterone levels
increases