Biology
10th Edition
ISBN: 9780073383071
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 4, Problem 6U
The smooth endoplasmic reticulum is
a. involved in protein synthesis.
b. a site of protein glycosylation.
c. used to store a variety of ions.
d. the site of lipid and membrane synthesis.
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Check out a sample textbook solutionStudents have asked these similar questions
:The site of protein synthesis is
A. At ribosomes .
B. Always at a Golgi body.
C. At the nuclear membrane .
D. Near microfilaments .
Help me
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.
Chapter 4 Solutions
Biology
Ch. 4 - Which of the following statements is NOT part of...Ch. 4 - All cells have all of the following except a....Ch. 4 - Eukaryotic cells are more complex than prokaryotic...Ch. 4 - Which of the following are differences between...Ch. 4 - The cytoskeleton includes a. microtubules made of...Ch. 4 - The smooth endoplasmic reticulum is a. involved in...Ch. 4 - Plasmodesmata in plants and gap junctions in...Ch. 4 - The most important factor that limits the size of...Ch. 4 - All eukaryotic cells possess each of the following...Ch. 4 - Adherens junctions, which contain cadherin, are...
Ch. 4 - Different motor proteins like kinesin and myosin...Ch. 4 - The protein sorting pathway involves the following...Ch. 4 - Chloroplasts and mitochondria have many common...Ch. 4 - Prob. 7ACh. 4 - The smooth endoplasmic reticulum is the site of...Ch. 4 - Use the information provided in table 4.3 to...Ch. 4 - Prob. 3SCh. 4 - The protist Giardia intestinalis is the organism...
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- The organelle that combines proteins with carbohydrates and packages them within vesicles for secretion is A.the Golgi complex. B.the rough endoplasmic reticulum. C.the smooth endoplasmic reticulum. D.the ribosome.arrow_forwardWhich 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_forwardA large structure, normally visible in the nucleus of a cell, whereribosomal subunits are produced is called a(n)a. endoplasmic reticulum. c. nucleolus.b. mitochondrion. d. lysosome.arrow_forward
- Which of the following is NOT a function of membrane proteins? a.Regulate the passage of ions b.Act as carrier molecules for various solutes c.Act as anchors or stabilizers for the cell membrane d.Storage of cellular nutrientsarrow_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_forwardWhich of the following is NOT a function of lysosomes? a. digesting particles taken in by endocytosis b. help in the formation of cell membranes c. degrading worn-out or nonfunctional organelles d. breaking down bone to release calcium ions into the bloodarrow_forward
- In the plasma membrane, form(s) the lipid bilayer,determine(s) the fluid nature of the membrane, andmainly determine(s) the function of the membrane.a. phospholipids, cholesterol, proteinsb. phospholipids, proteins, cholesterolc. proteins, cholesterol, phospholipidsd. cholesterol, phospholipids, proteinse. cholesterol, proteins, phospholipidsarrow_forwardWhich of the following is a feature common to all three components of the cytoskeleton? a. They all serve to scaffold the organelles within the cell. b. They are all characterized by roughly the same diameter. c. They are all polymers of protein subunits. d. They all help the cell resist compression and tension.arrow_forwardRegulating transport of substances in and out of the cell is the a. cell membrane. b. nuclear membrane. c. cytoplasm. d. nucleus.arrow_forward
- One is true about smooth endoplasmic reticulum A. It lacks ribosomes B. It is site of Ca2+ sequestration C. It is involved in detoxification of organic molecules D. It is th site of steroid hormone synthesizes E. It is the site of protein synthesisarrow_forwardIndicate whether the following statements are true or false. If a statement is false, explain why it is false. a. All types of cells contain cell walls, but only some cell types possess plasma membranes. b. The distribution of specific lipids to the inner and outer leaflet is asymmetrical, or biased, in plasma membranes. C. Lateral diffusion is the movement of lipids from one layer of the membrane to the other. d. Fatty acids tails are used to embed integral, transmembrane proteins in the plasma membrane.arrow_forwardWhich of the following statements regarding the selective permeability of the lipid bilayer is FALSE? A. the permeability of the lipid bilayer to different substances varies. B. The lipid bilayer component of the plasma membrane is highly permeable to nonvolatile molecules such as oxygen. C. The more hydrophobic or lipid soluble a substance is, the greater the lipid bilayers permeability to that substance. D. The lipid bilayer component of the plasma membrane is moderately permeable to ions and large, uncharged polar moleculesarrow_forward
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