1
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
According to widely accepted "fluid mosaic model" cell membranes are semi-fluid, where lipids and integral proteins can diffuse randomly. In recent years, this model has been modified in several respects. In this regard, which of the following statements are incorrect ?
A
Proteins in cell membranes can travel within the lipid bilayer
B
Proteins can also undergo flip-flop movements in the lipid bilayer
C
Proteins can remain confined within certain domains of the membranes
D
Many proteins remain completely embedded within the lipid bilayer
2
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
The main organelle involved in modification and routing of newly synthesized proteins to their destinations is -
A
Mitochondria
B
Endoplasmic Reticulum
C
Chloroplast
D
Lysosome
3
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
The telomeres of eukaryotic chromosomes consist of short sequences of
A
Adenine rich repeats
B
Cytosine rich repeats
C
Thymine rich repeats
D
Guanine rich repeats
4
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
In chloroplasts, chlorophyll is present in the :-
A
Outer membrane
B
Inner membrane
C
Thylakoids
D
Stroma
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