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243.
Keeping in view the fluid mosaic model for the structure of cell membrane , which one of the following statements is correct with reapect to the movement of lipids and proteins from one lipid moolayer to the other (described as flipflop movement )
A
Which proteins can flip-flop, lipids can not
B
Neither lipds, nor proteins can flip- flop
C
Both lipids can rarely flip- flop
D
Which lipids can rarely flip-flop, proteins can not
Answer :
Which lipids can rarely flip-flop, proteins can not
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248.
During protein synthesis in an organism, at one point the process comes to a halt. Select the group of the three codons from the following from which any one of the three could bring about this halt