MindTap Biology, 1 term (6 months) Printed Access Card for Starr/Taggart/Evers/Starr's Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305269842
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 5, Problem 12SQ
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Which of these is not a function of the lipid bilayer?
A. Changes the temperature
B. Provides a flexible matrix
C. Imposes a barrier to permeability
Which of the following is true about lipid bilayers?
A. They are self-forming.
B. They are dynamic.
C. They are fluid.
D. They are permeable.
A, C, D only
A, B, C only
B, C, D only
A, B, C, D
Which of the following are the main structural components of the lipid bilayer of all cell membranes?
A. Phospholipids
B. Waxes
C. Triglycerides
D. Steroids
Chapter 5 Solutions
MindTap Biology, 1 term (6 months) Printed Access Card for Starr/Taggart/Evers/Starr's Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 5 - Which of the following statements is not correct?...Ch. 5 - ________ is lifes primary source of energy. a....Ch. 5 - Prob. 3SQCh. 5 - Prob. 4SQCh. 5 - Prob. 5SQCh. 5 - ______ are always changed by participating in a...Ch. 5 - Name one environmental factor that typically...Ch. 5 - Which of the following statements is not correct?...Ch. 5 - A molecule that donates electrons becomes...Ch. 5 - All antioxidants ________. a. prevent other...
Ch. 5 - Prob. 11SQCh. 5 - Prob. 12SQCh. 5 - Prob. 13SQCh. 5 - One Tough Bug The genus Ferroplasma consists of a...Ch. 5 - One Tough Bug The genus Ferroplasma consists of a...Ch. 5 - One Tough Bug The genus Ferroplasma consists of a...Ch. 5 - Immerse a human red blood cell in a hypotonic...Ch. 5 - Prob. 15SQCh. 5 - Prob. 16SQCh. 5 - Beginning physics students are often taught the...Ch. 5 - Describe diffusion in terms or entropy.Ch. 5 - How do you think a cell regulates the amount of...Ch. 5 - The enzyme trypsin is sold as a dietary...Ch. 5 - Catalase combines two hydrogen peroxide molecules...
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- the synthesis of carbohydrates takes place at the a. rough endoplasmic reticulum b. ribosomes c. smoother endoplasmic reticulum d. a nuclear membranearrow_forward_____________ membrane proteins transverse the entire lipid bilayer. a. Integral b. Peripheral c. Lipid anchored d. Glycerophospholipidarrow_forwardWhich of these junctions allows solutes and water to pass directly from one cell to another, without interacting with the ECM? a. Adherens junctions b. Gap junctions c. Con junctions d. Tight junctionsarrow_forward
- Which of the following is NOT a component of the cell plasma membrane? A. cholesterol B. proteins C. microfi laments D. phospholipidsarrow_forwardWhich One is NOT TRUE about membranes? a. Membranes rich in fatty acids containing one or more double bonds are more fluid than membranes with no double bonds in fatty acids. b. If cholesterol is present in membranes, the fluidity of membranes will be reduced at moderate and warm temperatures. c. If cholesterol is present in membranes, the fluidity will remain intact at low temperatures. d. If the fatty acids with double bond are present in membranes, the membrane will be viscous.arrow_forwardCollagen and keratin are examples of what type of protein? A. fibrous B. simple C. globular D. conjugatedarrow_forward
- which 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_forwardPositively charged molecules are often more easily endocytosed by cells than negatively charged molecules. Which of these BEST explains this observation? A. The hydrocarbon tails of membrane lipids are hydrophilic. B. The hydrocarbon tails of membrane lipids are hydrophobic. C. The phosphate group of membrane lipids are positively charged. D. The phosphate group of membrane lipids are negatively charged.arrow_forwardSeveral students in our class always sit together in the front row. Suppose this could be because (i) they really like each other or (ii) nobody else in our class wants to sit next to them. a) Which explanation holds for the assembly of a lipid bilayer? Explain your answer. b) If the lipid bilayer assembled for the opposite reason, how would its properties differ?arrow_forward
- The diffusion of substances within a solution tends to move those substances ________ their ________ gradient. a) up; electrical b) up; electrochemical c) down; pressure d) down; concentrationarrow_forwardWhich of the following molecules is not capable of forming lipid bilayers? a. glycolipids b. wax esters c. phospholipids d. cerebrosidesarrow_forwardWhich of the following factors would tend to increasemembrane fluidity?(A) a greater proportion of unsaturated phospholipids(B) a greater proportion of saturated phospholipids(C) a lower temperature(D) a relatively high protein content in the membranearrow_forward
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