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Cell The Unit Of Life

Biology
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Which of the following events does not occur in rough endoplasmic reticulum ?

A
Cleavage of signal peptide
B
Protein folding
C
Phospholipid synthesis
D
Protein glycosylation
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A major site for the synthesis of lipids is

A
RER.
B
SER.
C
Symplast.
D
Nucleoplasm.
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Which of the following statements is not correct?

A
Lysosomes have numerous hydrolytic enzymes
B
The hydrolytic enzymes of lysosomes are active under acidic pH
C
Lysosomes are membrane bound structures
D
Lysosomes are formed by the process of packaging in the endoplasmic reticulum
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Select the correct matching in the following pairs.

A
Rough ER - Synthesis of glycogen
B
Rough ER - Oxidation of fatty acids
C
Smooth ER - Oxidation of phospholipids
D
Smooth ER - Synthesis of lipids
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Nuclear envelope is a derivative of

A
Microtubules.
B
Rough endoplasmic reticulum.
C
Smooth endoplasmic reticulum.
D
Membrane of Golgi complex.
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A complex of ribosomes attached to a single strand of RNA is known as

A
Polysome
B
Polymer
C
Polypeptide
D
Okazaki fragment
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Which one of the cell organelles is enclosed by a single membrane?

A
Mitochondria
B
Chloroplasts
C
Lysosomes
D
Nuclei
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Which one of the following organelle in the figure correctly matches with its function?

A
Rough endoplasmic reticulum -  Formation of carbohydrates
B
Golgi apparatus - Formation of lipids
C
Smooth endoplasmic reticulum - Lipid synthesis 
D
Rough endoplasmic recticulum - Protein synthesis
E
Both C and D
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Which of the following are not membrane bound?

A
Mesosomes
B
Vaculoes
C
Ribosomes
D
Lysosomes
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