NEET BIOLOGY

Detailed explanation-1: -The endoplasmic reticulum is found in most eukaryotic cells and forms an interconnected network of flattened, membrane-enclosed sacs known as cisternae (in the RER), and tubular structures in the SER. The membranes of the ER are continuous with the outer nuclear membrane.

Detailed explanation-2: -The endoplasmic reticulum serves to process, package, and export protein. It is an essential part of the protein sorting highway, which includes the correct folding of proteins and marking with amino acids.

Detailed explanation-3: -ER as a highway for other organelles Such movements are driven by the acto-myosin system with members of the myosin XI family being the key motors controlling ER dynamics [75–77].

Detailed explanation-4: -Endoplasmic reticulum in which ribosomal granules are applied to the cytoplasmic surface of the cisternae; involved in the synthesis and secretion of protein through membrane-bound vesicles and thus, called as ergastoplasm.

Detailed explanation-5: -The highways inside cells are called microtubules, and proteins called kinesins and dyneins act like motors and are essentially the cargo trucks in cells, O’Hagan said.