Gen Combo Ll Biology; Connect W/learnsmart Labs Access Card
4th Edition
ISBN: 9781259853197
Author: Robert Brooker
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 5, Problem 5TY
Summary Introduction
Introduction: The glycosylation refers to the addition of the carbohydrate to lipids and proteins. The glycolipids and glycoproteins are one of the constituents of the cell membrane. The glycosylation contributes to the development of surface recognition in the cell membrane. It also contributes towards protection of the cell membrane.
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Membrane proteins perform the following functions EXCEPT one. Which
One?
A. form the glycocalyx
B. act as receptor proteins
C. form pores to allow the passage of small solutes
D. behave as enzymes.
Match the concept in column A to the concept in column B. Write the letter of the
correct answer on the blank provided.
A
В
a. acid hydrolases
b. addition of sugars to
an N and O in an
1
amino group
2
endoplasmic reticulum
amino acid side
chain.
c. supportive
scaffolding system
d. provide structural
stability to the
cytoplasm like a
steel rods to a
Golgi complex
4
lysosomes
concrete.
e. sorts and packages
newly synthesized
and modified
peroxisomes
proteins
glycosylation
hydroxylation
6
g. involved in
chromosomal
7
movements
cytoskeleton
microtubules
h. C-terminus
N-terminus
8
9.
i.
j. attachment of OH to
a side chain of
10
intermediate filaments
protein
k. glycosylation of
proteins and
synthesis of lipids
I. involved in the
production of myelin
sheaths that
protects the
neurons.
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
Gen Combo Ll Biology; Connect W/learnsmart Labs Access Card
Ch. 5.1 - Prob. 1CCCh. 5.2 - Prob. 1CCCh. 5.2 - Prob. 2CCCh. 5.2 - Prob. 1BCCh. 5.3 - Prob. 1CCCh. 5.3 - Prob. 2CCCh. 5.4 - Prob. 1BCCh. 5.4 - Which molecule would you expect to pass through a...Ch. 5.4 - Prob. 2BCCh. 5.4 - Lets suppose the inside of a cell has a solute...
Ch. 5.5 - What is the purpose of gating?Ch. 5.5 - Prob. 1EQCh. 5.5 - Prob. 2EQCh. 5.5 - Prob. 3EQCh. 5.5 - Prob. 2CCCh. 5.6 - What is the function of the protein coat?Ch. 5 - Prob. 1TYCh. 5 - Which of the following events can never be...Ch. 5 - Lets suppose an insect, which doesnt maintain a...Ch. 5 - Prob. 4TYCh. 5 - Prob. 5TYCh. 5 - Prob. 6TYCh. 5 - Prob. 7TYCh. 5 - Prob. 8TYCh. 5 - Prob. 9TYCh. 5 - Large particles or large volumes of fluid can be...Ch. 5 - With your textbook closed, draw and describe the...Ch. 5 - Prob. 2CQCh. 5 - Prob. 3CQCh. 5 - Prob. 1COQCh. 5 - With regard to bringing solutes into the cell...
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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
- Which of the following best describes an integral membrane protein? A.A protein that has an extracellular domain, a membrane-spanning domain that spans the lipid bilayer of the plasma membrane, and an intracellular domain. B.A protein that peripherally associates with the membrane via ionic interactions another protein embedded in the membrane. C.A protein that is soluble in the cytoplasm. D.A protein that peripherally associates with the membrane via ionic interactions between polar charged amino acids and the polar head groups of the phospholipids in the membrane.arrow_forwardFor biological membranes, which of the following statement is NOT true? A. The phospholipid bilayer is a fluid matrix. B. Protein can be anchored to the membrane by covalently linked lipid chains. C. Proteins can move laterally across the membrane. D. For organisms living in cold temperature, their cell membranes contain more triacylglycerols. E. Transverse motion of lipid molecules can occur occasionally. Enzyme lowers when... A. The energy difference between the substrate and the transition state B. The energy difference between the product and the transition state C. Both A and B D. Neither A nor Barrow_forwardWhere in the cell do disulfide bonds form on a protein? A.In the nucleus. B.In the lumen of the cis-Golgi.C.The the lumen of the ER.D.On the extracellular side of the plasma membrane. E.In the cytoplasm.arrow_forward
- Ion channels are formed by a particular kind of membrane protein that allows the passage of a specific ion (or ions) under certain conditions. This type of protein is most likely a(n) a. peripheral membrane protein with additional hydrophobic domains b. integral membrane protein with a transmembrane domain c. a cholesterol-like molecule that is positioned in the phospholipid bilayer d. membrane phospholipid with hydrophilic head group e. soluble enzyme anchored to a scaffolding protein on the cytoplasmic side of the plasma membranearrow_forwardAccording to the fluid-mosaic model of the plasma membrane, a.protein and phospholipids form a regular, repeating structure. b.the membrane is a rigid structure. c.phospholipids form a double layer, with the polar parts facing each other. d.proteins are free to move within a double layer of phospholipids.arrow_forwardd Glycoproteins are placed on the surface of the cell for identification of the cell from other cells, since multiple subunits and both proteins and carbohydrates it would be produced by which of the following Select one or more: a. golgi apparatus b. polyribosomes c. rough endoplasmic reticulum Od. smooth endoplasmic reticulumarrow_forward
- Where in the cell is an N-linked glycan added onto a protein? A.In the nucleus. B.In the cytoplasm.C.The the lumen of the ER.D.In the lumen of the cis-Golgi.E.On the extracellular side of the plasma membrane.arrow_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_forwardWhich of the following can most easily pass through the phospholipid bilayer of the cell plasma membrane without the involvement of proteins? A. small non-polar molecules B. small polar molecules C. large non-polar molecules D. large polar moleculesarrow_forward
- What is the primary characteristic of peripheral membrane proteins? A: They cannot be post-translationally modified. B: They span the entire lipid bilayer, sometimes multiple times. C: Detergents or nonpolar solvents are necessary to remove them from the lipid bilayer. D:Weak intermolecular forces keep them attached to the lipid membrane.arrow_forwardWhat can you infer about the structure and cellular localization of the protein below based on its hydropathy index? 40 -20 -40 20 40 60 80 100 120 140 160 180 200 220 240 Residue number A. It is a cytosolic protein B. It is a lysosomal enzyme that works in the lumen of the lysosome. O C. It is a cytosolic protein with a single-pass transmembrane domain O D. It is a multi-pass transmembrane protein that will be ultimately found on the cell surface but may also be found In the ER, Golgi, or lysosomal membranes. Hydropathic indexarrow_forwardWhich of the following describes the fluid mosaic model of the plasma membrane structure? a. The lipid bilayer is solid at body temperature, thus protecting the cell. b. The phospholipid bilayer is embedded with associated proteins, cholesterol and sugars and has a dynamic arrangement. c. The plasma membrane is composed of two layers of proteins embedded with lipids. d. Phospholipids consist of a polar head and a nonpolar tail made of three fatty acid chainsarrow_forward
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