EVERYDAY SCIENCE

SCIENCE

CELL BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which type of cell does NOT contain membrane-bound organelles?
A
plant cells
B
animal cells
C
prokaryotic cells
D
eukaryotic cells
Explanation: 

Detailed explanation-1: -Prokaryotic cells are surrounded by a plasma membrane, but they have no internal membrane-bound organelles within their cytoplasm. The absence of a nucleus and other membrane-bound organelles differentiates prokaryotes from another class of organisms called eukaryotes.

Detailed explanation-2: -In contrast, prokaryotic cells do not have any membrane-bound organelles and are always part of unicellular organisms. Both prokaryotic and eukaryotic cells have similar features, like ribosomes, genetic material, a cytoplasm, and plasma membranes.

Detailed explanation-3: -Ribosomes are the non-membranous cell organelles observed in both prokaryotic and eukaryotic cells as well. Ribosomes are made up of rRNA and proteins.

Detailed explanation-4: -Reason: The cells that lack membrane bound organelles are called prokaryotic.

Detailed explanation-5: -In prokaryotes, DNA is found in a central area of the cell known as the nucleoid, which is not surrounded by a nuclear membrane. Thus, Prokaryotic cells do not contain membrane-bound organelles.

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