MICROANATOMY

INTRODUCTION TO MICROSCOPY CELL BIOLOGY

NUCLEUS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Bacteria have a nucleus ____
A
True
B
False
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Bacteria do not have a nucleus. Since the nucleus contains DNA, it can be concluded that bacteria do not contain DNA.

Detailed explanation-2: -From the above information we know that bacteria are prokaryotes so they do not have a true nucleus. Therefore the given statement is false.

Detailed explanation-3: -Eukaryotes (meaning ‘true nuclei” where “karyote” is derived from the ancient Greek for “kernel") include fungi, protozoa, eukaryotic algae, and of course plants and animals including ourselves. Eukaryotic cells have a nucleus containing chromosomal DNA bounded by membranes.

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