Question
Which of the following structure is not found in a prokaryotic cell?
Nuclear envelope
Ribosome
Mesosome
Plasma membrane
prokaryotic cells have no well-defined nucleus. The genetic material is basically naked, meaning it is not enveloped by a nuclear membrane . In contrast, they do possess ribosomes (70S) , a plasma membrane , and a specialized differentiated form of cell membrane called a mesosome .
This question aligns with the NEET BIOLOGY syllabus, specifically targeting concepts from Cell : The Unit of Life . Mastering this topic is crucial for scoring well in the upcoming medical entrance examinations. Solving conceptually related problems will help you understand the nuances of these concepts and improve your problem-solving speed.
More Cell : The Unit of Life Questions
Match List-I with List-II. List-I A. Centromere B. Cilium C. Cristae D. Cell membrane List-II I. Mitochondrion II. Cell division III. Cell movement IV. Phospholipid Bilayer
Match List-I with List-II. List-I A. F1 Particles B. Histones C. Axoneme D. Cisternae List-II I. Chromosomes II. Cilia III. Golgi apparatus IV. Mitochondria
Given below are two statements: Statement I: Mitochondria and chloroplasts are both double membrane bound organelles. Statement II: Inner membrane of mitochondria is relatively less permeable, as compared to chloroplast. In the light of the above statements, choose the most appropriate answer from the options given below:
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The biosynthesis of ribosomal RNA occurs in:
Which of the following is an incorrect statement?
Given below are two statements: I: In bacteria, the mesosomes are formed by the extensions of the plasma membrane. II: The mesosomes, in bacteria, help in DNA replication and cell wall formation. In light of the above statements, choose the most appropriate answer from the options given below:
Match List-I with List-II: List-I A. Fleming B. Robert Brown C. George Palade D. Camillo Golgi List-II I. Disc shaped sacs or cisternae near cell nucleus II. Chromatin III. Ribosomes IV. Nucleus
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