Biology Today and Tomorrow without Physiology (MindTap Course List)
5th Edition
ISBN: 9781305117396
Author: Cecie Starr, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 4, Problem 13SQ
A transport protein requires ATP to pump sodium ions across a membrane. This is a case of ______.
- a. passive transport
- b. active transport
- c. facilitated diffusion
- d. a and c
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The passive non-mediated movement of particles across a membrane driven by pressure is
A. filtration
B. diffusion
C. facilitated diffusion
D. osmosis
E. active transport
F. vesicular transport
The passive, non-mediated movement of particles into or out of a cell following the particle’s concentration gradient is called
A. osmosis
B. vesicular transport
C. filtration
D. diffusion
E. facilitated diffusion
F. active transport
Explain the process and give an example of each form of cellular transport.
a. Passive Diffusion
b. Active Transport
c. Facilitated Diffusion
Chapter 4 Solutions
Biology Today and Tomorrow without Physiology (MindTap Course List)
Ch. 4 - Figure 4.5 Energy inputs and outputs in chemical...Ch. 4 - Figure 4.10 Enzymes, temperature, and pH. Each...Ch. 4 - Prob. 3FIOCh. 4 - Prob. 4FIOCh. 4 - The genus Ferroplasma consists of a few species of...Ch. 4 - Prob. 2DIDCh. 4 - Prob. 3DIDCh. 4 - Prob. 1SQCh. 4 - Prob. 2SQCh. 4 - Prob. 3SQ
Ch. 4 - Prob. 4SQCh. 4 - Prob. 5SQCh. 4 - Prob. 6SQCh. 4 - Prob. 7SQCh. 4 - Prob. 8SQCh. 4 - Ions or molecules tend to diffuse from a region...Ch. 4 - Prob. 10SQCh. 4 - Prob. 11SQCh. 4 - Prob. 12SQCh. 4 - A transport protein requires ATP to pump sodium...Ch. 4 - Prob. 14SQCh. 4 - Prob. 15SQCh. 4 - Prob. 1CTCh. 4 - Water molecules tend to diffuse in response to...Ch. 4 - Dixie Bee wanted to make JELL-O shots for her next...Ch. 4 - The enzyme trypsin is sold as a dietary enzyme...Ch. 4 - Prob. 5CT
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- Active transport of a substance across a membrane requiresa. a gradient b. the expenditure of ATP c. water d. diffusionarrow_forwardA concentration gradient is used as an energy source for____________. Select one: a. Secondary active transport b. Receptor mediated endocytosis c. Primary active transport d. The sodium potassium pumparrow_forwardActive transport must function continuously because. a. plasma membranes wear out b. not all membranes are amphiphilic c. facilitated transport opposes active transport d. diffusion is constantly moving solutes in opposite directionsarrow_forward
- The energy requiring mediated movement of small particles into or out of a cell up their concentration gradient is called A. diffusion B. facilitated diffusion C. active transport D. osmosis E. vesicular transport F. filtrationarrow_forwardThe sodium-potassium pump helps to maintain electrolyte gradients through use of ATP. Which of the following best describes this type of transport? a. osmosis b. passive transport c. diffusion d. active transportarrow_forwardPassive transport mechanism requires both the aid of proteins and the expenditure of cellular energy. While facilitated and active mechanism both needs proteins in order to transport drugs or ions across a membrane channel. * A. Both statements are INCORRECT B. Neither is CORRECT C. Only the 1st statement is INCORRECT D. Only the 2nd statement is CORRECTarrow_forward
- The movement of molecules from an area of low concentration outside of the cell membrane to an area of high concentration within a cell membrane is most likely which of the following types of transport? a. exocytosis b. diffusion c. endocytosis d. osmosisarrow_forwardChoose which substances can pass freely through the plasma membrane A. Gasses B. Charged molecules C. Hydrophobic molecules D. Lions E. Water D. ATParrow_forwardProteins like albumin in the blood maintain water inside the blood vessels using A. Osmotic pressure B. Active diffusion C. Active transport D. Diffusionarrow_forward
- _______ is the net movement of substances from a high concentration to a low concentration medium, whereas the _______ is the net movement of water across a membrane. a. Diffusion- ultrafiltration b. Dialysis-osmosis c. Diffusion-osmosis d. Osmosis-diffusionarrow_forwardFacilitated transport differs from diffusion in that facilitated diffusiona. involves the passive use of a carrier protein.b. involves the active use of a carrier protein.c. moves a molecule from a low to a high concentration.d. involves the use of ATP molecules.arrow_forwardWhich of these statements about carrier-mediated facilitated diffusion is true? a. It uses cellular ATP. b. It is used for cellular uptake of blood glucose. c. It is a form of active transport. d. None of these are true.arrow_forward
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The Cell Membrane; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=AsffT7XIXbA;License: Standard youtube license