EP BIOLOGY TODAY+TOMORROW W/O PHYSIO.
5th Edition
ISBN: 9781305583856
Author: STARR
Publisher: CENGAGE L
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Chapter 4, Problem 10SQ
Summary Introduction
Introduction: The
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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 are the main structural components of the lipid bilayer of all cell membranes?
A. Phospholipids
B. Waxes
C. Triglycerides
D. Steroids
Which 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 junctions
Chapter 4 Solutions
EP BIOLOGY TODAY+TOMORROW W/O PHYSIO.
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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- Cell membranes consists mainly of ________ and ________ . a. lipids; carbohydrates c. lipids; phospholipids b. phospholipids; protein d. phospholipids; ECMarrow_forwardWhich of the following is NOT a component of the cell plasma membrane? A. cholesterol B. proteins C. microfi laments D. phospholipidsarrow_forward______cannot diffuse across a lipid bilayer. a. Water molecules c. Ions b. Gases d. Nonpolar moleculesarrow_forward
- the synthesis of carbohydrates takes place at the a. rough endoplasmic reticulum b. ribosomes c. smoother endoplasmic reticulum d. a nuclear membranearrow_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_forwardWhich of the following are essential components of cell membrane? a. Cholesterol b.Phospholipids c.Long chain polyunsaturated fatty acids d.All of the abovearrow_forward
- _____________ membrane proteins transverse the entire lipid bilayer. a. Integral b. Peripheral c. Lipid anchored d. Glycerophospholipidarrow_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_forwardMost of a membranes diverse functions are carried out by ________ . a. proteins c. nucleic acids b. phospholipids d. hormonesarrow_forward
- Which of the following statements about cellular membranes is/are FALSE? A. Only lipids move Within the membrane, while the proteins are anchored and immobile. B. Membranes are composed of lipids and proteins. C. Substances may be transported across membranes by active transport, facilitated transport or diffusion. D. Membrane proteins are classified as integral or peripheral, upon their functionarrow_forwardIn cell membrane, the regulation of membrane rigidity is the function of _____. While proteins ______ A. Carbohydrates; Cell recognition B. Cholesterol; Move nutrients and electrolytes across C. Lipid; Impart polarity to the interior membrane D. Fatty acids; Prevent tight packing of fatty acid chains E.Cholesterol; Act as receptors for neurotransmitter and hormone bindingarrow_forwardMatter can leave a cell by any of the following means excepta. active transport.b. pinocytosis.c. an antiport.d. simple diffusion.e. exocytosis.arrow_forward
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