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Membrane Transport

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Questions and Answers

Which of the following best describes membrane transport in cellular biology?

The movement of solutes through biological membranes
The separation of substances of distinct chemical nature
The regulation of passage through the membrane
The collection of mechanisms that regulate the passage of solutes (correct)

What is the role of membrane transport proteins in the movement of solutes through the membrane?

They separate substances of distinct chemical nature
They regulate the passage of solutes through the membrane
They mediate the movement of solutes through the membrane (correct)
They attract different external elements

Why are biological membranes selectively permeable?

To regulate the passage of solutes through the membrane
To allow passage of all substances
To separate substances of distinct chemical nature (correct)
To attract different external elements

What is the relationship between the diversity and physiology of distinct cells and their capacities to attract different external elements?

There is a direct correlation (B) Signup and view all the answers

What is the postulated relationship between specific transport proteins and cell type/physiological stage?

There is an inverse correlation (D) Signup and view all the answers

¿Cuál es la función de las proteínas de transporte de membrana en el movimiento de solutos a través de la membrana?

Facilitar el movimiento de solutos a través de la membrana (D) Signup and view all the answers

¿Cuál es la característica de las membranas biológicas que les permite separar sustancias de naturaleza química distinta?

Permeabilidad selectiva (D) Signup and view all the answers

¿Cómo se regula el paso a través de la membrana en el transporte de membrana?

A través de las proteínas de transporte (C) Signup and view all the answers

¿Cuál es la relación entre la diversidad y fisiología de las células y su capacidad para atraer diferentes elementos externos?

La diversidad y fisiología de las células influye en su capacidad para atraer diferentes elementos externos (A) Signup and view all the answers

¿Cuál es la función de las proteínas de transporte de membrana?

Facilitar el paso de solutos a través de la membrana (B) Signup and view all the answers