Which of the following is correct: (a) Cells of all living organisms have a nucleus. (b) Both animal and plant cells have a well defined cell wall. (c) In prokaryotes, there are no membrane bound organelles. (d) Cells are formed de novo from abiotic materials.
Which of the following is correct:
(a) Cells of all living organisms have a nucleus.
(b) Both animal and plant cells have a well defined cell wall.
(c) In prokaryotes, there are no membrane bound organelles.
(d) Cells are formed de novo from abiotic materials.
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Option (a) Cells of all living organisms have a nucleus is incorrect
Prokaryotic organisms lack a true nucleus and instead have genetic material in a nucleoid region
Option (b) Both animal and plant cells have a well defined cell wall is incorrect
Only plant cells possess a rigid cell wall while animal cells are enclosed by a flexible plasma membrane
Option (c) In prokaryotes there are no membrane bound organelles is correct
Prokaryotes lack organelles such as mitochondria chloroplasts and endoplasmic reticulum that are surrounded by membranes
Option (d) Cells are formed de novo from abiotic materials is incorrect
Cell theory states all cells come from pre-existing cells under division disproving spontaneous generation
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