Select the incorrect statement about the plasma membrane

Select the incorrect statement about the plasma membrane

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Select the incorrect statement about the plasma membrane

Class 11

Biology

Diversity in the Living World

Question

A

Ratio of proteins and lipids varies considerably in different cell types.

B

52 % proteins and 40 % lipids constitute the membrane of human RBC.

C

Arrangement of proteins (P) and Lipids (L) is L-P-P-L.

D

Head of lipid is hydrophilic.

614 Attempted students

Answer: CSolution: Arrangement of proteins and lipids is P-L-L-P.

150

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Select the incorrect statement about the plasma membrane
Select the incorrect statement about the plasma membrane

Select the incorrect statement about the plasma membrane

Choose the incorrect statement regarding cell membrane.
A. Generally smaller molecules pass easily and readily than large molecules.
B. Water soluble substance pass through it less readily than lipid soluble substances.
C. In addition to phosholipid membrane it also contains cholesterol.
D. None of these

Asked by mauriciogv98

Image transcription text

1. Select the incorrect statement regarding the plasma membrane. a. selectively controls movement of molecules between the ESP and the ICF. b. is the barrier that surrounds the blood vessels and separates the blood plasma from the interstitial fluid. contains proteins that provide membrane functions. has cholesterol to maintain rigidity. serves as a mechanical barrier to hold in the contents of the cell. one

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This question was created from NPB 101 Final Practice

Answer & Explanation

Solved by verified expert

Answered by steven-k

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Answered by ChelseaJackson

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Step-by-step explanation

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What is the incorrect statement about plasma membrane?

A. It serves as a selectively permeable barrier to the external environment.

What is statement about the plasma membrane?

The plasma membrane, or the cell membrane, provides protection for a cell. It also provides a fixed environment inside the cell. And that membrane has several different functions. One is to transport nutrients into the cell and also to transport toxic substances out of the cell.

Which type of transport of molecules across the plasma membrane requires energy?

In active transport, substances move against a concentration gradient across a cell membrane. Hence energy is required.
The fluid nature of the membrane is important in tasks such as intercellular connection formation, cell division, cell proliferation, secretion, and endocytosis.