Question

Which of the following cells have a high density of smooth endoplasmic reticulum?
A Epithelial cells in the small intestine.
B Muscle cells in the thighs of long-distance runners.
C Pancreatic cells which secrete digestive enzymes.
D Ovarian cells which produce the hormone oestrogen.
@Kainui @Abhisar @Destinymasha

Answer 1

@Abhisar

Answer 2

B. I believe.

Answer 3

Medal me please!

Answer 4

Smooth endoplasmic reticulum or SER is concerned with glycogen and lipid metabolism while Rough endoplasmic reticulum or RER is concerned with protein synthesis.

Which cell would require large amount of glycogen metabolism to work?

HINT: The one which is engaged in extensive work like running, walking etc.

Answer 5

in addition to @Abhisar 's words - Smooth ER also stores large amounts of Ca2+ ions (specifically speaking its Sarcoplasmic reticulum- subtype of SER)
think of what do we need large amounts of Ca2+ for

Answer 6

Thnx @Abhisar @Somy

Answer 7

n @Teddyiswatshecallsme

Answer 8

no problem :)