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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Chapter 4, Problem 12SQ
Summary Introduction
Introduction: The cell wall is the outer surrounding layer of the cells that gives protection and rigidity to the organelles present inside the cells. The cell wall is present in prokaryotes such as bacteria and fungi, and eukaryotes like plants. The cell wall is not present in animal cells and it is covered only by plasma membrane. Upon the entry of water into cells, the cell wall acts as the pressure vessels to prevent the over expansion of cells.
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A transport protein requires ATP to pump sodium ions across a membrane. This is a case of_______ . a. passive transport c. osmosis b. active transport d. facilitated diffusion
Osmosis is a special type of diffusion that ________.
a.
moves water from an area with a high solute concentration to one of lower solute concentration
b.
moves sugar from an area with a high solute concentration to a lower solute concentration
c.
moves water from an area with a low solute concentration to one of higher solute concentration
Proteins like albumin in the blood maintain water inside the blood vessels using
A. Osmotic pressure
B. Active diffusion
C. Active transport
D. 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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- The principal force driving movement in diffusion is __________. a. temperature b. particle size c. concentration gradient d. membrane surface areaarrow_forwardA hypertonic glucose solution A. Causes cell hemolysis B. Has the same osmotic pressure as red blood cells C. Causes cell crenation D. Has a concentration less than an isotonic solutionarrow_forwardWhen water is entering and leaving a cell at a constant rate the environment is most likely _______________to the cell. A. Homeostatic B. Hypotonic C. Isotonic D. Hypertonicarrow_forward
- 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 transportarrow_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_forwardIn tissues, where _______ go, water will follow due to osmosis. A. Neurotransmitters B. Proteins C. Antibodies D. Solutesarrow_forward
- The movement of both oxygen and carbon dioxide in the body is accomplished by a. Diffusion b. Endocytosis c.exocytosis d. Osmosisarrow_forwardThe 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 transportarrow_forwardA solution is ________ when there is low osmolarity outside a cell and overall water moves into the cell. a. hypotonic b. hypertonic c. isotonicarrow_forward
- If a cell is in an isotonic environment, then a. the cell will gain water and burst. b. no water will move across the membrane. c. the cell will lose water and shrink. d. osmosis still occurs, but there is no net gain or loss of cell volume.arrow_forwardWhich of the following processes requires protein carriers to move materials up their concentration gradient? ____ a. active transport ____ b. osmosis ____ c. endocytosis ____ d. facilitated diffusionarrow_forwardActive transport of a substance across a membrane requiresa. a gradient b. the expenditure of ATP c. water d. diffusionarrow_forward
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The Cell Membrane; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=AsffT7XIXbA;License: Standard youtube license