NEET BIOLOGY

CELL STRUCTURES AND FUNCTION

CELL STRUCTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of these cell features is ABSENT in a bacteria cell?
A
Plasma membrane
B
Nucleus
C
Nucleoid
D
Cytoplasm
Explanation: 

Detailed explanation-1: -Prokaryotic cells (bacteria) lack a nuclear envelope; eukaryotic cells have a nucleus in which the genetic material is separated from the cytoplasm.

Detailed explanation-2: -Bacterial Cells Bacteria cells are very different from animal, plant or fungal cells. They don’t have organelles such as nuclei, mitochondria or chloroplasts. Although they do have ribosomes and a cell wall, these are both different in structure to the ribosomes and cell walls in the cells above.

Detailed explanation-3: -Bacteria are prokaryotic and do not have a true nucleus.

Detailed explanation-4: -Thus, the correct answer is ‘Mitochondria.

Detailed explanation-5: -Prokaryotes do not have a nucleus, so hence do not have a nucleolus.

There is 1 question to complete.