Which is the following is an example of compartmentation at theintracellular level?

Group of answer choices

Skeletal muscle cells have organelles called sarcoplasmicreticulum (SR) that contain large stores of calcium ions. Thecalcium is released during muscle contraction and then pumped backinto the SR as the muscle relaxes.

The heart is divided into four chambers, with two upper chambersthat receive incoming blood and two lower, more muscular chambersthat send blood out into the circulation.

Regions of the brain are specialized for differentfunctions.

The walls of arteries consist of an outer connective tissuelayer, a middle layer of smooth muscle and elastic fibers, and aninner endothelial lining.

Answer rating: 100% (QA)

The answer is Skeletal muscle cells have organelles call... View the full answer