NEET BIOLOGY

CELL STRUCTURES AND FUNCTION

CELL STRUCTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The difference between prokaryotic and eukaryotic cells involves the presence of
A
a nucleus
B
genetic material in the form of DNA
C
chloroplasts
D
a cell membrane
Explanation: 

Detailed explanation-1: -The primary distinction between these two types of organisms is that eukaryotic cells have a membrane-bound nucleus and prokaryotic cells do not. The nucleus is where eukaryotes store their genetic information.

Detailed explanation-2: -There are several differences between the two, but the biggest distinction between them is that eukaryotic cells have a distinct nucleus containing the cell’s genetic material, while prokaryotic cells don’t have a nucleus and have free-floating genetic material instead.

Detailed explanation-3: -The defining characteristic feature that distinguishes between prokaryotic and eukaryotic cell is the nucleus. In prokaryotic cells, the true nucleus is absent, moreover, membrane-bound organelles are present only in eukaryotic cells.

Detailed explanation-4: -Prokaryotic cells (bacteria) lack a nuclear envelope; eukaryotic cells have a nucleus in which the genetic material is separated from the cytoplasm.

Detailed explanation-5: -Prokaryotic cells differ from eukaryotic cells in the organization of nuclear material. In eukaryotes, nuclear material is present in the nucleus, which is surrounded by nuclear membrane while in prokaryotes nuclear material is dispersed in the cytoplasm, there is no well organized nucleus in the prokaryotes.

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