CONNECT ACCESS FOR BIOL 01204 <C>
12th Edition
ISBN: 9781264443123
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 5, Problem 1A
A bacterial cell that can alter the composition of saturated and unsaturated fatty acids in its membrane lipids is adapted to a cold environment. If this cell is shifted to a warmer environment, it will react by
a. increasing the amount of cholesterol in its membrane.
b. altering the amount of protein present in the membrane.
c. increasing the degree of saturated fatty acids in its membrane.
d. increasing the percentage of unsaturated fatty acids in its membrane.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Some orally active drugs do not obey the rule of five. For example, some polar drugs with a
molecular weight between 200 and 500 are found to be orally active. Which of the following
mechanisms is the most likely reason for this? Select one: a. Ion channels. b. Passage
through pores between the cells of the gut wall. c. Transport by transport proteins. d.
Pinocytosis.
Why is it important that glucose be converted to glucose-6-phosphate once glucose enters a cell?
Select one:
a. This form is easier for cells to metabolize.
b. The cells can easily excrete this molecule.
c. Glucose can't diffuse out of the cell if it is in this form.
d. It can now cross the plasma membrane.
e. It becomes a long-term storage molecule for glucose.
Which of the following statements is CORRECT about the fatty acid residues in membrane lipids?
A. Whole swathes of the membrane have higher saturated residues to increase the overall surface tension.
B. There are more unsaturated units to maintain the fluidity of the structure at all environmental temperatures.
C. More unsaturated residues are present to increase the melting point of the membrane making it resilient.
D. Larger quantities of saturated units are present to maximize stacking and provide effective barrier capacity.
Chapter 5 Solutions
CONNECT ACCESS FOR BIOL 01204 <C>
Ch. 5.1 - Prob. 1LOCh. 5.1 - Explain the fluid mosaic model of membrane...Ch. 5.2 - List the different components of phospholipids.Ch. 5.2 - Prob. 2LOCh. 5.2 - Prob. 3LOCh. 5.3 - Illustrate the functions of membrane proteins.Ch. 5.3 - Prob. 2LOCh. 5.3 - Prob. 3LOCh. 5.4 - Compare simple diffusion and facilitated...Ch. 5.4 - Prob. 2LO
Ch. 5.4 - Prob. 3LOCh. 5.5 - Prob. 1LOCh. 5.5 - Prob. 2LOCh. 5.5 - Prob. 3LOCh. 5.6 - Distinguish between endocytosis and exocytosis.Ch. 5.6 - Illustrate how endocytosis can be specific.Ch. 5 - According to the fluid mosaic model, membranes are...Ch. 5 - Prob. 2IQCh. 5 - The fluid mosaic model of the membrane describes...Ch. 5 - What chemical property characterizes the interior...Ch. 5 - The transmembrane domain of an integral membrane...Ch. 5 - The specific function of a membrane within a cell...Ch. 5 - The movement of water across a membrane is...Ch. 5 - Prob. 6UCh. 5 - Which of the following is NOT a mechanism for...Ch. 5 - A bacterial cell that can alter the composition of...Ch. 5 - What variable(s) influence(s) whether a nonpolar...Ch. 5 - Which of the following does NOT contribute to the...Ch. 5 - How are active transport and coupled transport...Ch. 5 - A cell can use the process of facilitated...Ch. 5 - figure 5.5 describes a classic experiment...Ch. 5 - Each compartment of the endomembrane system of a...Ch. 5 - The distribution of lipids in the ER membrane is...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- The proteins : oxidase ,kinase,lipase, isomerase are all known to function as a. channels b. transporters c.receptors d. enzymes e. none of the abovearrow_forwardAlice reads another paper which seeks to elucidate the interaction of GLUT1, LAT1 and the movement of water. In the paper, the authors set up artificial cells which mimic the endothelial cells. Embedded in the artificial cell membrane is a deformed GLUT1 protein which does not work, a normal LAT1 protein and aquaporins. The artificial cell is submerged in a beaker of water which contains 10 picomole of phenylalanine. After several minutes where will water move? a) Water will move out of the artificial cell. b) Most of the water will move out of artificial cell. A little will move in. c) Water will move into the artificial cell. d) Most of the water will move into the artificial cell. A little will move out.arrow_forwardWhich of the following does not apply to lipid asymmetry? a.It arises in the endoplasmic reticulum. b.It arises due to the flip-flop movement of specific phospholipids to the cytosolic monolayer. c.It is preserved throughout vesicular transport. d.It depends on the activity of flippase.arrow_forward
- Glucose can be transported into cells with a glucose/sodium symporter. If the extracellular concentration of sodium is always in excess to that of glucose, which of these manipulations would MOST increase the rate of glucose transport into a cell? A. increase in the extracellular concentration of sodium B. increase in the intracellular concentration of sodium C. increase in the extracellular concentration of glucose D. increase in the intracellular concentration of glucosearrow_forwardWhat is the role of cholesterol in animal cell membranes? A. Blocks the association of the fatty acyl chains of phospholipids at high temperature. B. Is a receptor site for hormones on the surface of membranes. C. Broadens the temperature range of optimum membrane fluidity. D. Aids in the transport of small hydrophobic molecules across the membrane. A fatty acid designated as 20:0 is ________, while one that is designated 20:3 delta ^5,8,11 is ________. A. complex; simple B. unsaturated; saturated C. saturated; unsaturated D. simple; complex E. monounsaturated; polyunsaturatedarrow_forwardDefine the following terms:a. peripheral proteinb. integral proteinc. lipid raftd. passive transporte. active transportarrow_forward
- CO2 can cross the plasma membrane by diffusion. If a cell is in the process of metabolizing glucose, which direction would diffusion tend to carry CO2 molecules? (It may help to consider: where is CO2 highly concentrated? Would diffusion carry CO2 toward or away from this location? Group of answer choices A. From inside the cell to outside the cell B. From outside the cell to inside the cell C. not enough info to tellarrow_forwardWhich of the following is true about the phosphorylation of proteins? A. Proteins are usually phosphorylated at amino acids that have hydroxyl group-containing side chains. B. Phosphorylation of proteins is catalyzed by phosphatases. C. Phosphoryation always activates enzymes. D. The specificity in phosphorylation is conferred solely by the amino acid to be phosphorylated.arrow_forwardHow do small fat-soluble molecules normally get into a cell? a. they never get in b. the pass through specialized proteins in the cell membrane called aquaporins c. they bind to protein carriers d. they pass through membrane protein channels e. They dissolve in the hydrophobic components of the membrane and enter the cell by diffusionarrow_forward
- Liver cells in culture were kept at 0°C and treated with trypsin to digest the receptors on the cell surface. The temperature was then raised to 37°C and radioactive LDL was added to the culture media. Several hours later, the labeled LDL was found to be inside the cells. This specific process of LDL uptake is A. active transport B. facilitated diffusion C. phagocytosis D. pinocytosis E. receptor-mediated endocytosisarrow_forwardMovement of glucose down its concentration gradient into cells is facilitated by Select one: a. Active transport b. Diffusion across phospholipids c. Facilitated transport d. a protein that consumes ATP e. a protein that gets phosphorylatedarrow_forwardFor biological membranes, which of the following statement is NOT true? A. The phospholipid bilayer is a fluid matrix. B. Protein can be anchored to the membrane by covalently linked lipid chains. C. Proteins can move laterally across the membrane. D. For organisms living in cold temperature, their cell membranes contain more triacylglycerols. E. Transverse motion of lipid molecules can occur occasionally. Enzyme lowers when... A. The energy difference between the substrate and the transition state B. The energy difference between the product and the transition state C. Both A and B D. Neither A nor Barrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Human Anatomy & Physiology (11th Edition)BiologyISBN:9780134580999Author:Elaine N. Marieb, Katja N. HoehnPublisher:PEARSON
Biology 2eBiologyISBN:9781947172517Author:Matthew Douglas, Jung Choi, Mary Ann ClarkPublisher:OpenStax
Anatomy & PhysiologyBiologyISBN:9781259398629Author:McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa StouterPublisher:Mcgraw Hill Education,
Molecular Biology of the Cell (Sixth Edition)BiologyISBN:9780815344322Author:Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter WalterPublisher:W. W. Norton & Company
Laboratory Manual For Human Anatomy & PhysiologyBiologyISBN:9781260159363Author:Martin, Terry R., Prentice-craver, CynthiaPublisher:McGraw-Hill Publishing Co.
Inquiry Into Life (16th Edition)BiologyISBN:9781260231700Author:Sylvia S. Mader, Michael WindelspechtPublisher:McGraw Hill Education
Human Anatomy & Physiology (11th Edition)
Biology
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:PEARSON
Biology 2e
Biology
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:OpenStax
Anatomy & Physiology
Biology
ISBN:9781259398629
Author:McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa Stouter
Publisher:Mcgraw Hill Education,
Molecular Biology of the Cell (Sixth Edition)
Biology
ISBN:9780815344322
Author:Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter Walter
Publisher:W. W. Norton & Company
Laboratory Manual For Human Anatomy & Physiology
Biology
ISBN:9781260159363
Author:Martin, Terry R., Prentice-craver, Cynthia
Publisher:McGraw-Hill Publishing Co.
Inquiry Into Life (16th Edition)
Biology
ISBN:9781260231700
Author:Sylvia S. Mader, Michael Windelspecht
Publisher:McGraw Hill Education
The Cell Membrane; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=AsffT7XIXbA;License: Standard youtube license