LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

DIVERSITY AMONG LIFE FORMS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Cells that do not have a true nucleus are called ____
A
eukaryote
B
prokaryote
C
unicellular
D
multicellular
Explanation: 

Detailed explanation-1: -A prokaryotic cell doesn’t have a nuclear membrane around the nucleus. The nucleus without a nuclear membrane is called the naked nucleus and it is not considered as a true nucleus. So prokaryotic cells don’t have a true nucleus.

Detailed explanation-2: -Prokaryotes are bacteria which lack membrane-bound organelles and nucleus. Eukaryotes have a well defined nucleus.

Detailed explanation-3: -Prokaryotic cells only have a small range of organelles, generally only a plasma membrane and ribosomes. Eukaryotic cells, on the other hand, have chromosomes that are enclosed in a true nucleus, and are therefore separated from the cytoplasm by the nuclear membrane.

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