Question

In which situation would passive transport not use a transport protein for entry into a cell? a. water flowing into a hypertonic environment b. glucose being absorbed from the blood c. an ion flowing into a nerve cell to create an electrical potential d. oxygen moving into a cell after oxygen deprivation

Name: Problem 11, Chapter 5: Biology
Uploaded: 2020-06-02T21:06:43-08:00
Duration: 1 min 31 s
Channel: Aditya Sood
Description: In which situation would passive transport not use a transport protein for entry into a cell? a. water flowing into a hypertonic environment b. glucose being absorbed from the blood c. an ion flowing into a nerve cell to create an electrical potential d. oxygen moving into a cell after oxygen deprivation

    In which situation would passive transport not use a transport protein for entry into a cell?
a. water flowing into a hypertonic environment
b. glucose being absorbed from the blood
c. an ion flowing into a nerve cell to create an electrical potential
d. oxygen moving into a cell after oxygen deprivation

Biology

Mary Ann Clark, Jung… 2nd Edition

Chapter 5, Problem 11

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Solved by Expert Aditya Sood

06/02/2020

Step 1

Step 1: Identify the type of transport Passive transport is a type of cellular transport where substances move across the cell membrane from an area of higher concentration to an area of lower concentration, without the need for energy input. Show more…

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In which situation would passive transport not use a transport protein for entry into a cell? a. water flowing into a hypertonic environment b. glucose being absorbed from the blood c. an ion flowing into a nerve cell to create an electrical potential d. oxygen moving into a cell after oxygen deprivation

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Key Concepts

Passive Transport

Passive transport involves the movement of substances across a cell membrane without the expenditure of energy, typically moving down a concentration gradient. This process can occur via different mechanisms depending on the molecule involved.

Simple Diffusion

Simple diffusion is a form of passive transport where small, non-polar molecules such as oxygen cross the lipid bilayer directly without the need for transport proteins. This contrasts with larger or charged molecules that require specific protein channels or carriers.

Facilitated Diffusion

Facilitated diffusion is another passive transport mechanism that utilizes transport proteins to help polar or larger molecules, like ions and glucose, move across the cell membrane. These proteins provide a pathway for molecules that cannot readily dissolve in the lipid bilayer.

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