BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 5, Problem 12SA
Summary Introduction
Introduction:
A concentration gradient is defined as the difference in the solute concentration between adjacent regions of a solution. In diffusion, the movement of a substance occurs from an area of high concentration to an area of low concentration.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
_____________ membrane proteins transverse the entire lipid bilayer.
a. Integral
b. Peripheral
c. Lipid anchored
d. Glycerophospholipid
cannot diffuse across a lipid bilayer.
a. Water molecules
b. Gases
c. lons
d. Nonpolar molecules
Which 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.
Chapter 5 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 5 - Which of the following statements is not correct?...Ch. 5 - ________ is lifes primary source of energy. a....Ch. 5 - Prob. 3SACh. 5 - Prob. 4SACh. 5 - ________ are always changed by participating in a...Ch. 5 - Name one environmental factor that typically...Ch. 5 - Prob. 7SACh. 5 - Prob. 8SACh. 5 - Prob. 9SACh. 5 - A molecule that donates electrons becomes...
Ch. 5 - Solutes tend to diffuse from a region where they...Ch. 5 - Prob. 12SACh. 5 - A transport protein requires ATP to pump sodium...Ch. 5 - Immerse a human blood cell in a hypotonic...Ch. 5 - Prob. 15SACh. 5 - Beginning physics students are often taught the...Ch. 5 - Describe diffusion in terms of entropy.Ch. 5 - How do you think a cell regulates the amount of...Ch. 5 - The enzyme trypsin is sold as a dietary enzyme...Ch. 5 - Catalase combines two hydrogen peroxide molecules...
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
- Choose which substances cannot pass through the phospholipid bilayer of the plasma membrane. A. Gasses B. Charged molecules C. Hydrophobic molecules D. Lions E. Water F. ATParrow_forwardHydrophilic substances cannot pass straight through the plasma membrane due to the ________. a. physical size limitations of the bilayer b. hydrophobic heads surrounding the bilayer c. hydrophobic tails in the center of the bilayerarrow_forwardDecide whether each of the following molecules will pass through a lipid bilayer. If the molecule will pass through, type yes it will. If the molecule will not pass through, type no it will not. a. Glucose b. Glycerol C.water D. Oxygen gasarrow_forward
- which one of the following diffuses more readily through the lipid bilayer of a plasma membrane a. polar molecules b. non polar molecules c. ionized molecules d. waterarrow_forwardwhich of the following statements is correct about the movement of water across a plasma membrane a. it cannot pass through any ion channels b. it moves through the membrane via mediated transport c. even though it a polar molecule, it moves readily through the nonpolar lipid bilayer d. artificial lipid membranes are impermeable to waterarrow_forwardChoose all that aplly that are TRUE for the lipid bilayer:Negative mark is given to incorrect answer(s). a. The polar head groups of the bilayer are positively charged. b. Individual lipid molecules in one face (monolayer) of the bilayer cannot diffuse (flip-flop) to the other monolayer and must be catalyzed by a lipid transporter called flippase. c. The bilayer is stabilized by covalent bonds between neighbouring phospholipid molecules. d. Polar, but uncharged, compounds readily diffuse across the bilayer. e. Individual lipid molecules are free to diffuse laterally on the surface of the bilayer.arrow_forward
- The cells of plant seeds store oils in the form of droplets enclosed by membranes. Unlike the membranes you learned about in this chapter, the oil droplet membrane consists of a single layer of phospholipids rather than a bilayer. Draw a model for a membrane around an oil droplet. Explain why this arrangement is more stable than a bilayer.arrow_forwardWhich of the following statements regarding the selective permeability of the lipid bilayer is FALSE? A. the permeability of the lipid bilayer to different substances varies. B. The lipid bilayer component of the plasma membrane is highly permeable to nonvolatile molecules such as oxygen. C. The more hydrophobic or lipid soluble a substance is, the greater the lipid bilayers permeability to that substance. D. The lipid bilayer component of the plasma membrane is moderately permeable to ions and large, uncharged polar moleculesarrow_forwardSome cytosolic proteins are anchored to the cell membrane via covalent bonds between cysteine or serine residues and _________ within the inner leaflet of the plasma membrane. A. GPI anchors B. cholesterol molecules C. lauric acid groups D. myristic acid groups E. palmitic acid groupsarrow_forward
- Which of the following compounds can diffuse through the lipid bilayer of a cell membrane? Select all that apply. A. Large polar molecules B. Gases and hydrophobic molecules C. Ions D. Small polar molecules like waterarrow_forwardDraw the different spontaneously formed lipid structures: a. Monolayers and bilayers b. Micelles C. Unilamellar vesicle d. Multilamellar vesiclesarrow_forwardCell membranes consists mainly of ________ and ________ . a. lipids; carbohydrates c. lipids; phospholipids b. phospholipids; protein d. phospholipids; ECMarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Concepts of BiologyBiologyISBN:9781938168116Author:Samantha Fowler, Rebecca Roush, James WisePublisher:OpenStax College
Concepts of Biology
Biology
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:OpenStax College
The Cell Membrane; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=AsffT7XIXbA;License: Standard youtube license