Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 4, Problem 5SQ
Summary Introduction
Introduction: All cells have a cell membrane that is also known as plasma membrane, and it is made up of proteins and lipids. It provides cell shape and structural support. It is a semi-permeable membrane that regulates the entry as well as the amount of substances entering in the cell. They play the role of gatekeeping.
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Students have asked these similar questions
Which of the following are essential components of cell membrane?
a. Cholesterol
b.Phospholipids
c.Long chain polyunsaturated fatty acids
d.All of the above
_____________ membrane proteins transverse the entire lipid bilayer.
a. Integral
b. Peripheral
c. Lipid anchored
d. Glycerophospholipid
Cholesterol is a _____ substance found in the ______
A. protein; Golgi apparatus.
B. carbohydrate; cell membrane.
C. protein; cell membrane.
D. lipid; cell membrane.
E. lipid; Golgi apparatus.
Chapter 4 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 4 - Abnormal Motor Proteins Cause Kartagener Syndrome...Ch. 4 - All cells have these three things in common:...Ch. 4 - Prob. 2SQCh. 4 - Prob. 3SQCh. 4 - True or false? Some protists start out life with...Ch. 4 - Prob. 5SQCh. 4 - True or false? Ribosomes are only found in...Ch. 4 - Unlike eukaryotic cells, prokaryotic...Ch. 4 - Enzymes. contalned in _______ break down worn-out...Ch. 4 - Put the following structures in order according to...
Ch. 4 - The main function of the endomembrane system is:...Ch. 4 - True or false? The plasma membrane is the...Ch. 4 - Prob. 12SQCh. 4 - Which of the following organelles contains no DNA?...Ch. 4 - No animal cell has a ___________. a. plasma...Ch. 4 - Prob. 15SQCh. 4 - In a classic episode of Star Trek, a gigantic...Ch. 4 - Prob. 2CTCh. 4 - Prob. 3CT
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- The structure where amino acids are put together in order to make proteins is the ________________. a. Nucleus b. Mitochondria c. Ribosome d. Endoplasmic reticulumarrow_forwardDraw the different spontaneously formed lipid structures: a. Monolayers and bilayers b. Micelles C. Unilamellar vesicle d. Multilamellar vesiclesarrow_forwardPhospholipids are important components of __________. a. the plasma membrane of cells b. the ring structure of steroids c. the waxy covering on leaves d. the double bond in hydrocarbon chainsarrow_forward
- Decide 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_forwardCell membranes consists mainly of ________ and ________ . a. lipids; carbohydrates c. lipids; phospholipids b. phospholipids; protein d. phospholipids; ECMarrow_forward______cannot diffuse across a lipid bilayer. a. Water molecules c. Ions b. Gases d. Nonpolar moleculesarrow_forward
- Some 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_forwardPhospholipids are important components of__________.a. the plasma membrane of cellsb. the ring structure of steroidsc. the waxy covering on leavesd. the double bond in hydrocarbon chainsarrow_forwardConsider the following diagram of the cell membrane. Which of the statements is NOT true regarding the cell membrane? Group of answer choices a. Proteins and carbohydrates are also components of the cell membrane. b. Certain phospholipids and proteins on the outer surface of the cell membrane are attached to carbohydrates. c. Some carbohydrates extend through the entire lipid bilayer and appear on both surfaces of the membrane d. Some of the proteins embedded in the cell membrane constitute channels (passage canals).arrow_forward
- The major lipid components of cell membranes are: OA. sphingolipids O B. prostaglandins O c. phosphoglycerides D. terpenoids 34arrow_forwardWhich of the named factors might induce bending of membranes? Select one: O a. Cylindrically shaped lipids O b. Carbohydrates C. Conically shaped proteins O d. Cylindrically shaped proteinsarrow_forwardHomologous chromosomes are only found (h in cells that undergo meiosis Select one: O a. true O b. false The 4 human blood types A,B,AB,and O reflect variation of( ). Select one: O a. proteins in plasma membrane O b. lipids in plasma membrane O C. carbohydrate in glycoprotein O d. nitherarrow_forward
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