Campbell Biology: Concepts & Connections (8th Edition)
8th Edition
ISBN: 9780321885326
Author: Jane B. Reece, Martha R. Taylor, Eric J. Simon, Jean L. Dickey, Kelly A. Hogan
Publisher: PEARSON
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Textbook Question
Chapter 5, Problem 3TYK
Which best describes the structure of a cell membrane?
a. proteins between two bilayers of phospholipids
b. proteins embedded in a bilayer of phospholipids
c. a bilayer of protein coating a layer of phospholipids
d. cholesterol embedded in a bilayer of phospholipids
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Students have asked these similar questions
What is the chemical nature of membrane components that enable cells to move substances in and out of the cell?
a. glycolipids
b. proteins
c. phospholipids
d. lipids
Which plasma membrane component can be either found on the surface or embedded in the plasma membrane itself?
a.
steroids
b.
cholesterol
c.
proteins
Which functions are carried out by smooth endoplasmic reticulum?
A. Makes phospholipids and stores calcium
B. Breaks down cellular wastes and debris via enzymes
C. Modifies polypeptides and lipids then sorts and packages the finished products into vesicles
D. Folds and modifies proteins and polypeptides via surface ribosomes
Chapter 5 Solutions
Campbell Biology: Concepts & Connections (8th Edition)
Ch. 5 - Fill in the following concept map to review the...Ch. 5 - Label the parts of the following diagram...Ch. 5 - Which best describes the structure of a cell...Ch. 5 - Prob. 4TYKCh. 5 - The sodium concentration in a cell is 10 times...Ch. 5 - The synthesis of ATP from ADP and a. stores energy...Ch. 5 - Facilitated diffusion across a membrane requires...Ch. 5 - What are the main types of cellular work? How does...Ch. 5 - Why is the barrier of the activation energy...Ch. 5 - Relate the laws of thermodynamics to living...
Ch. 5 - How do the components and structure of cell...Ch. 5 - Sometimes inhibitors can be harmful to a cell;...Ch. 5 - Cells lining kidney tubules function in the...Ch. 5 - SCIENTIFIC THINKING Mercury is known to inhibit...Ch. 5 - A biologist performed two series of experiments on...Ch. 5 - Organophosphates (organic compounds containing...
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- Which structure is the the site of the synthesis of proteins that will be used inside the cell? a. Golgi B. Smooth ER C. Rough ER D. free ribosomesarrow_forwardWhich is incorrect about the plasma membrane? a. It has a hydrophobic interior and hydrophilic region that faces water. b. Cholesterol affects the fluid nature of the membrane. c. Proteins embedded in the lipid bilayer do not move. d. It surrounds all living cellsarrow_forwardWhat is NOT a function of the plasma membrane? a. isolate the cell from its surroundings b. communication with other cells c. catalyze macromolecules into subunits d. structural supportarrow_forward
- What is NOT true about the cell plasma membrane? A. It serves as the boundary that separates the intercellular components and extracellular matter. B. Serves as site of attachment of cells to other cells C. Composed of a single layer of phospholipids D. Composed of primarily proteins and lipids with small amounts of carbohydratesarrow_forwardWhich structure within the cell produces ATP (adenosine triphosphate)? A. the mitochondria B. the nucleus C. peripheral proteins D. the endoplasmic reticulumarrow_forwardWhich structure will determine that a cell is prokaryotic? a. cell membrane b. cytoplasm c. nuclear membrane d. nucleusarrow_forward
- What is the primary function of carbohydrates attached to the exterior of cell membranes? a. identification of the cell b. flexibility of the membrane c. strengthening the membrane d. channels through membranearrow_forwardWhich organelle is most prominent in cells that make large amounts of protein? a.chromosome b.proteasome c.nucleus d.nucleolusarrow_forwardWhich of these cell junctions are open channels that connect the cytoplasm of adjoining plant cells? A. Adhering junctions B. Tight junctions C. Gap junctions D. Plasmodesmataarrow_forward
- Which is not a function of plasma membrane proteins? a. Recieving signals from outside the cell or from the environment b. Binding to other cells c. Acting as enzymes in glycolytic reactions d. Transporting materials into the cell e. Providing a channel for transmembrane passage of lipophobic charged ions such as Na+ or Cl-arrow_forwardWhat is the function of tight junctions? a. To allow cells to move b. To keep cells from moving c. To seal neighboring cells together and prevent leakage of d. extracellular molecules† e. To keep cancer cells together, forming a tumorarrow_forwardWhich part of a cell is most like the cockpit of a plane? A. The cytoplasm B. The membrane C. The macromolecule D. The nucleusarrow_forward
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