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Standard XII
Biology
Ribosomes of Eukaryotic Cell
Non membranou...
Question
Non membranous structures that are required for protein synthesis:
A
Lysosomes
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B
RER
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C
Ribosomes
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D
SER
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Solution
The correct option is
C
Ribosomes
Ribosomes are naked particles not bounded by membrane. They are required for protein synthesis.
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Similar questions
Q.
Non membranous structures that are required for protein synthesis:
Q.
Assertion :The endoplasmic reticulum which lacks ribosomes is called smooth endoplasmic reticulum (SER). Reason: SER is mainly involved in protein synthesis.
Q.
Select the correct statements.
(a) Endomembrane system includes plasma membrane, ER, Golgi complex, lysosomes and vacuoles.
(b) ER helps in transport of substances, synthesis of proteins, lipoproteins and glycogen.
(c) Ribosomes are involved in protein synthesis.
(d) Mitochondria help in oxidative phosphorylation and generation of ATP.
Q.
Fill in the blanks in the table given below.
Cell organelle
Function
Nucleolus
(i)____
(ii)____
Synthesis and transport of proteins and fat
(iii)____
Synthesis and secretion of enzymes and hormones
Ribosomes
(iv)____
(v)____
Intracellular digestion
Q.
How many structures are membranous?
Mitochondria, Chloroplast, Nucleus, Lysosome, Ribosome and Centrioles.
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