Answer: Biodiversity creates a role for each species in the ecosystem which causes a chain reaction of other species relying on each other to have a more stable and healthy environment.
Is involved in the breakdown of glycogen --> smooth ER
Is the site for biosynthesis of secretory proteins --> rough ER
Contains less cholesterol than does the plasma membrane --> Neither.
Has ribosomes attached to its outer (cytosolic) surface --> rough ER
Usually consists of flattened sacs --> rough ER
Tends to form tubular structures --> Both. Rough ER + Smooth ER
Is involved in the detoxification of drugs --> smooth ER
Is the site for the folding of membrane-bound proteins --> rough ER
Visible only by electron microscopy --> Both. Rough ER + Smooth ER
Explanation:
<u>Rough ER:</u>
Its membranes form <u>flattened piled sacs</u> and <u>elongated tubules</u>, with <u>many ribosomes attached</u>.
The main function of the RER is to <u>synthesize proteins</u> that are destined to different target places in the cell. It is also in charge of the proteins<u> folding </u>and maturation.
Smooth ER:
Membrane <u>interconnected tubules</u> that continue with the RER. This reticulum does not have ribosomes attached to its membrane, and this is why it is named smooth. Most of its proteins are synthesized in the RER. SER is abundant in those cells involved in fat metabolism, detoxification, and calcium storage.
One of its functions is to produce membrane lipids, including glycerophospholipids and cholesterol.
It is also responsible for the <u>elimination of toxic products</u> from the metabolism.
SER is also involved in the <u>dephosphorylation of glucose-6 phosphate</u>, allowing glucose to be transported to the exterior of the cell.