Anatomy and Physiology - Study Guide
6th Edition
ISBN: 9780134388038
Author: Marieb
Publisher: PEARSON
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Textbook Question
Chapter 3.5, Problem 2CYU
Is the inside of the plasma membrane negative or positive relative to its outside in a polarized membrane of a resting cell?
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What is the polarized membrane state? How is it maintained? (Note the relative roles of both passive and active mechanisms.)
List three types of movment displayed by molecules in the plasma membrane. Which type of molecule is capable of each movement.
Compared with the inside of the resting plasma membrane, the outside surface of the membrane isa. positively charged.b. electrically neutral.c. negatively charged.d. continuously reversing, so that it is positive one second and negative the next.e. negatively charged whenever the sodium-potassium pump isoperating
Chapter 3 Solutions
Anatomy and Physiology - Study Guide
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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- What type of plasma membrane protein provides the means for moving materials across the plasma membrane? What are three subtypes?arrow_forwardWhich component of the plasma membrane is primarily responsible for forming a physical barrier between the cell’s internal and external environments?arrow_forwardWhat is the plasma membrane made of? How does this affect the movement of lipid-soluble and non-lipids through the cell?arrow_forward
- Why is the Donnan membrane phenomenon important for the homeostasis of the cell?arrow_forwardWhat is the difference between a semi-permeable mem- brane and a selectively permeable membrane? What does the semi permeable and selectively permeable let pass through?arrow_forwardCan water, carbon dioxide, oxygen and calcium ion can move freely across the plasma membrane?arrow_forward
- How long is a typical transmembrane domain, and what is the chemical composition of the amino acids found within the transmembrane domain of a single-spanning integral membrane protein? A~ 20 amino acids; hydrophobic amino acidsB~ 100 amino acids, amphipathic amino acidsC~ 10 amino acids; polar, charged amino acids D~ 50 amino acids, polar, uncharged amino acidsarrow_forwardWhat TWO organelles are used in cell locomotion (movement)?arrow_forwardWhich among the following defines GPI anchored proteins? 1)Integral proteins of the plasma membrane 2)Peripheral proteins of the plasma membrane 3)Proteins that bind to ion-gated channels in the plasma membrane 4)Proteins which randomly bind to lipids of the plasma membranearrow_forward
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