Anatomy & Physiology (6th Edition)
6th Edition
ISBN: 9780134156415
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Question
Chapter 3.7, Problem 21CYU
Summary Introduction
To review:
The organelle important in maintaining the cell shape.
Introduction:
The cytoskeleton is a complex network of rods that are not covered by a membrane and run through the cytosol aiding in the linkage of cell organelles with the help of accessory proteins. There are three types of cellular cytoskeleton rods, namely microfilaments, intermediate filaments, and microtubules.
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Chapter 3 Solutions
Anatomy & Physiology (6th Edition)
Ch. 3.1 - Summarize the four key points of the cell theory.Ch. 3.1 - How would you explain the meaning of a generalized...Ch. 3.2 - What basic structure do all cellular membranes...Ch. 3.2 - What is the importance of the glycocalyx in cell...Ch. 3.2 - Prob. 3CYUCh. 3.2 - Phospholipid tails can be saturated or unsaturated...Ch. 3.3 - What is the energy source for all types of...Ch. 3.3 - What determines the direction of any diffusion...Ch. 3.3 - What are the two types of facilitated diffusion...Ch. 3.4 - What happens when the Na+-K+ pump is...
Ch. 3.4 - As a cell grows, its plasma membrane expands. Does...Ch. 3.4 - Prob. 3CYUCh. 3.4 - Which vesicular transport process allows a cell to...Ch. 3.5 - What process establishes the resting membrane...Ch. 3.5 - Is the inside of the plasma membrane negative or...Ch. 3.6 - What term is used to indicate signaling chemicals...Ch. 3.7 - Which organelle is the major site of ATP...Ch. 3.7 - What are three organelles involved in protein...Ch. 3.7 - Compare the functions of lysosomes and...Ch. 3.7 - How are microtubules and microfilaments related...Ch. 3.7 - Prob. 21CYUCh. 3.8 - Prob. 22CYUCh. 3.9 - If a cell ejects or loses its nucleus, what is its...Ch. 3.9 - What is the role of nucleoli?Ch. 3.9 - What is the role of nucleoli?Ch. 3.10 - If one of the DNA strands being replicated reads...Ch. 3.10 - During what phase of the cell cycle is DNA...Ch. 3.10 - What are three events occurring in prophase that...Ch. 3.11 - Codons and anticodons are both three-base...Ch. 3.11 - How do the A, P, and E ribosomal sites differ...Ch. 3.11 - What is the role of DNA in transcription?Ch. 3.12 - What is the importance of ubiquitin in the life of...Ch. 3.12 - Prob. 2CYUCh. 3 - The smallest unit capable of life by itself is (a)...Ch. 3 - Prob. 2MCCh. 3 - Prob. 3MCCh. 3 - The term used to describe the type of solution in...Ch. 3 - Osmosis always involves (a) a selectively...Ch. 3 - Prob. 6MCCh. 3 - Prob. 7MCCh. 3 - The endocytotic process in which a sampling of...Ch. 3 - Prob. 9MCCh. 3 - The nuclear substance composed of histone proteins...Ch. 3 - The information sequence that determines the...Ch. 3 - Mutations may be caused by (a) X rays, (b) certain...Ch. 3 - The phase of mitosis during which centrioles each...Ch. 3 - Final preparations for cell division are made...Ch. 3 - The RNA synthesized on one of the DNA strands is...Ch. 3 - The RNA species that travels from the nucleus to...Ch. 3 - If DNA has a sequence of AAA, then a segment of...Ch. 3 - A nerve cell and a lymphocyte are presumed to...Ch. 3 - Prob. 19MCCh. 3 - Explain why mitosis can be thought of as cellular...Ch. 3 - Contrast the roles of ER-bound ribosomes with...Ch. 3 - Cells lining the trachea have whiplike motile...Ch. 3 - Name the three phases of interphase and describe...Ch. 3 - Comment on the role of the sodium-potassium pump...Ch. 3 - Differentiate between primary and secondary active...Ch. 3 - Cell division typically yields two daughter cells,...
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- List the three types of filaments associated with the cytoskeleton. Identify the structures in cells that are composed of microtubules.arrow_forwardHow do plasmodesmata differ from gap junctions?arrow_forwardDescribe two similarities and two differences between actin filaments and microtubules.arrow_forward
- can microtubule replace actin filament?why or why not?arrow_forwarda) Are actin filaments subject to the same "dynamic instability" as microtubules? Yes or no? b)Explain how both actin and microtubules polymerize and depolymerize.arrow_forwardCompare the structure and function of actin filaments,intermediate filaments, and microtubules.arrow_forward
- About intermediate filaments, microfilaments and microtubules, describes:a) In detail, their structures, characteristics as well as how their monomers can form the filamentsb) Functions of them in animal cellsarrow_forwardDescribe the three types of protein filaments that make up thecytoskeleton.arrow_forwardThe cell skeleton In the cell there are three types of filaments that form the cell skeleton. answer:a) What they are b) How they are structured c) What function they havearrow_forward
- The cytoplasm contains a network of three types of filaments that form the cytoskeleton. What are they?arrow_forwardCytoskeleton proteins that form cleavage furrow during cytokinesis is: intermediate filaments, actin filaments, myosin filaments, vimentin filaments, or microtubules?arrow_forwardDescribe the mechanisms by which microfilaments assemble.arrow_forward
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