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
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The principal force driving movement in diffusion is __________. a. temperature b. particle size c. concentration gradient d. membrane surface area
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 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 cytoplasm would be considered ___________________ relative to the extracellular fluid. a. Isotonic b. Hypotonic c. Hypertonic d. Passive e. Activearrow_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 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_forwardIf 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_forward
- The plasma membrane of a cell is composed of a ________ ________ and regulates molecular passage via _______ ________. a. potassium bilayer, unidirectional diffusion b. phospholipid bilayer, selective permeability c. phospholipid bilayer, random permeability d. protein wall, osmotic pumpsarrow_forwardWater moves via osmosis _________. a. throughout the cytoplasm b. from an area with a high concentration of other solutes to a lower one c. from an area with a low concentration of solutes to an area with a higher one d. from an area with a low concentration of water to one of higher concentrationarrow_forwardWhich of the following best describes an Isotonic solution? A. The cellular plasma membrane will expand when the cell is place into an isotonic solution. B. The cellular plasma membrance will shrink when the cell is placed into an isotonic solution. C. Solute concentrations in the solutions are equal acorss the cellular plasma membrane. D. Solvent concentrations cause unequal solution concentrations across the plasma membrane.arrow_forward
- Immerse a human red blood cell in a hypotonic solution, and water____ . a. diffuses into the cell c. shows no net movement b. diffuses out of the cell d. moves in by endocytosisarrow_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_forwardOsmoconformers that live in marine environments have bodies that are ____ to the seawater. A. hypertonic B. isotonic C. hypotonicarrow_forward
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