AP BIOLOGY

THE CELL

STRUCTURE AND FUNCTION OF THE CELL

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The point of organelles such as the mitochondria, golgi, ER, etc. all having membranes is to ____
A
Provide extra protection to those critical organelles
B
Increase surface area for materials transport
C
Prevent hazardous materials from escaping the organelles and damaging the rest of the cell
D
All of the above
Explanation: 

Detailed explanation-1: -Examples of membrane-bound organelles are nucleus, endoplasmic reticulum, Golgi apparatus, mitochondria, plastids, lysosomes, and vacuoles.

Detailed explanation-2: -Organelles such as mitochondria and the endoplasmic reticulum have membranes that compartmentalize reactions and other metabolic processes. To function properly, the organelles must move substances across their membranes.

Detailed explanation-3: -Cytoplasm: The cytoplasm is the part of the cell that contains organelles such as mitochondria, Golgi bodies, ribosomes, etc.

Detailed explanation-4: -The lysosomes, Golgi apparatus, endoplasmic reticulum, and peroxisomes are all membrane-bound organelles that are found in the cytoplasm of eukaryotic cells. Prokaryotic cells, however, lack these membrane-bound organelles, with all cellular components floating freely in the cytoplasm.

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