State the following statements as true (T) or false (F) and select the correct option.

A. Integral proteins are partially or totally buried in the membrane.

B. Human RBC membrane has approximately 52% proteins.

C. Proteins move laterally within overall bilayer of membrane.

      A   B   C

1.   T   T   T

2.   F   T   F

3.   T   F   T

4.   F   F   T

Subtopic:  Cell Organisation | Cell Membrane | Evidence for Fluidic Nature of Membrane |
 83%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Read the following statements and choose the option which is true for them.

Statement-1: Polar molecules cannot pass through lipid bilayer of plasma membrane by self.

Statement-2: Polar molecules require carrier proteins to facilitate their transport across the membrane.

1. Both the statements are correct

2. Both the statements are incorrect

3. Only statement-1 is correct

4. Only statement-2 is correct

Subtopic:  Cell Membrane |
 86%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Read the following statements carefully:

A. Lipid component of the plasma membrane mainly consists of phosphoglycerides.
B. Polar molecules can pass through the lipid bilayer of plasma membrane, therefore they do not require carrier proteins to facilitate their transport.
C. The secondary wall is capable of growth and it is formed on the outer side of the cell.
D. Quasifluid nature of lipid enables the lateral movement of proteins within the overall lipid bilayer of the plasma membrane.
E.  Middle lamella glues the different neighboring cells together.

How many statements are incorrect?

1.  Three

2.  Five

3.  Four

4.  Two 

Subtopic:  Cell Wall | Cell Membrane |
 62%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch