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Which of these statements best describes the function of the cell membrane?



A. It allows substances to freely enter and exit the cell.
B. It controls which substances enter and exit the cell.
C. It prevents substances from entering the cell.
D. It prevents substances from leaving the cell.

This question is part of Cell Membrane: Structure and Function
Asked by Gilloncrichton, Last updated: Jul 06, 2020

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5 Answers

Maleka

Maleka

Answered Oct 18, 2019

It controles which substances enter and exit the cell.

 

Samantha Stewart

Love to do some charity work. Have a passion for writing and do it in my spare time

Samantha Stewart, Philanthropist, Post Graduate, Corpus Christi

Answered Dec 14, 2018

The correct answer is B- the cell membrane controls which substances enter and exit the cell, specifically the nucleus. Cells play a very important role and every living thing is made up of cells. Cells are made up of very important parts which create human life so it is vital that these important parts are protected.

This is what the cell membranes are used for. The cell membranes protect these parts of the cell and keep them all together. The membrane can also attach itself to cell walls to form tissues that make up your body.

 

A. Daniels

A. Daniels, Professor, San Diego

Answered Sep 20, 2018

The correct answer is B. the cell membrane controls whatever is entering and exiting the cell. As the cell is somewhat the source of life and energy of a specimen, it is very important that the organelles inside are protected from outside invaders.

The cell membrane secures that all the parts of a cell remains inside and are doing their jobs. Imagine a cell without having a cell membrane, all the parts are floating in space and no animal or human will not form. It also serves as an attachment to other cell walls so the cells can successfully form a tissue.

 

John Adney

John Adney

Answered Feb 19, 2017

It controls which substances enter and leave the nucleus.
 

John Smith

John Smith

Answered Nov 10, 2016

It controls which substances enter and exit the cell.
 

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