In active protein translation and folding.
Rough endoplasmic reticulum is called rough because<span> it has many ribosomes on its wall making it look rough. RER is</span><span> involved mainly in protein production, folding, and quality control. Smooth endoplasmic reticulum is specialised in fats and steroids production. </span><span />
<span>the percent of patients with whooping cough die is </span>D. 1%
The arctic environment is deathly cold, hence the thick blubber on animals so they can handle freezing temperatures
because the doctor might not have studied her enough to diagnosed her