341. The synthesis of lipids and proteins is associated with

A Endoplasmic retculum
B Miochondria
C Chloroplast
D Lysosomes
Answer :   Endoplasmic retculum
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342. How many types of ells are known

A One
B two
C Three
D Four
Answer :   two
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343. The recent model fro plasma membrane proposed by Siner and nicolson is

A Molecular lipid model
B Lamellar model
C Unit membrane model
D Fluid mosaic model
Answer :   Fluid mosaic model
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344. DNA replication in bacteria occurs:

A Within nucleolus
B Prior to fission
C Just before transcription
D During $$S$$ phase
Answer :   Prior to fission
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