FUND. OF A&P LL W/CODE >IC<
11th Edition
ISBN: 9781323753217
Author: Martini
Publisher: Pearson Custom Publishing
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Textbook Question
Chapter 3, Problem 23CP
The concentration of hydrogen ions (H+) in the stomach contents during digestion rises to a higher level than in the cells lining the stomach. Which transport process must be operating?
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Chapter 3 Solutions
FUND. OF A&P LL W/CODE >IC<
Ch. 3 - List the general functions of the plasma membrane.Ch. 3 - Identify the components of the plasma membrane...Ch. 3 - Which component of the plasma membrane is...Ch. 3 - Which type of integral protein allows water, ions,...Ch. 3 - Prob. 5CPCh. 3 - What are the major differences between cytosol and...Ch. 3 - Prob. 7CPCh. 3 - Prob. 8CPCh. 3 - Explain why certain cells in the ovaries and...Ch. 3 - What does the presence of many mitochondria imply...
Ch. 3 - Describe the contents and structure of the...Ch. 3 - What is a gene?Ch. 3 - Define gene activation.Ch. 3 - Describe transcription and translation.Ch. 3 - What process would be affected by the lack of the...Ch. 3 - What is meant by the term selectively permeable...Ch. 3 - Define diffusion.Ch. 3 - List five factors that influence the diffusion of...Ch. 3 - How would a decrease in the concentration of...Ch. 3 - Define osmosis.Ch. 3 - Some pediatricians recommend using a 10 percent...Ch. 3 - Describe the process of carrier-mediated...Ch. 3 - The concentration of hydrogen ions (H+) in the...Ch. 3 - Describe endocytosis.Ch. 3 - Describe exocytosis.Ch. 3 - What is the process called whereby certain types...Ch. 3 - What is the membrane potential of a cell, and in...Ch. 3 - If the plasma membrane of a cell were freely...Ch. 3 - Give the biological terms for (a) cellular...Ch. 3 - What enzymes must be present for DNA replication...Ch. 3 - Describe interphase, and identify its stages.Ch. 3 - A cell is actively manufacturing enough organelles...Ch. 3 - Define mitosis, and list its four stages.Ch. 3 - What would happen if spindle fibers failed to form...Ch. 3 - Define growth factor, and identify several growth...Ch. 3 - An illness characterized by mutations that disrupt...Ch. 3 - Define metastasis.Ch. 3 - Define cellular differentiation.Ch. 3 - Prob. 1RQCh. 3 - The process that transports solid objects such as...Ch. 3 - Plasma membranes are said to be (a) impermeable,...Ch. 3 - _____ ion concentration is high in extracellular...Ch. 3 - At resting membrane potential, the cytoplasmic...Ch. 3 - The organelle responsible for a variety of...Ch. 3 - The synthesis of a functional polypeptide using...Ch. 3 - Prob. 8RQCh. 3 - The movement of water across a membrane from an...Ch. 3 - Prob. 10RQCh. 3 - List the four basic concepts that make up the cell...Ch. 3 - What are four general functions of the plasma...Ch. 3 - What are the primary functions of membrane...Ch. 3 - By what three major transport mechanisms do...Ch. 3 - List five important factors that influence...Ch. 3 - What are the four major functions of the...Ch. 3 - Diffusion is important in body fluids, because it...Ch. 3 - Microvilli are found (a) mostly in muscle cells,...Ch. 3 - When a cell is placed in a(n) _____ solution, the...Ch. 3 - Suppose that a DNA segment has the following...Ch. 3 - Prob. 21RQCh. 3 - The sodium-potassium exchange pump (a) is an...Ch. 3 - If a cell lacked ribosomes, it would not be able...Ch. 3 - List, in sequence, the phases of the interphase...Ch. 3 - List the stages of mitosis, and briefly describe...Ch. 3 - (a) What is cytokinesis? (b) What is the role of...Ch. 3 - The transport of a certain molecule exhibits the...Ch. 3 - Solutions A and B are separated by a selectively...Ch. 3 - A molecule that blocks the ion channels lining...Ch. 3 - What is the benefit of having some of the cellular...Ch. 3 - List the general functions of the plasma membrane.Ch. 3 - Identify the components of the plasma membrane...
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- Which of the following methods of transport is being used to transfer the substance into the cell in the accompanying graph? a. diffusion down a concentration gradient b. osmosis c. facilitated diffusion d. active transport e. vesicular transport f. It is impossible to tell with the information provided.arrow_forwardActive transport must function continuously because_______. a. plasma membranes wear out b. cells must be in constant motion c. facilitated transport opposes active transport d. diffusion is constantly moving the solutes in the other directionarrow_forwardwhy does a cell require both active and passive transport?arrow_forward
- How is transport mechanism vital in a cell?arrow_forwardWhen cellular transport through the plasma membrane must be provided with energy in form of ATP to power the transport process, what is this called? A. Selective permeability B. Passive transport C. Active transport D. Diffusionarrow_forwardWhich type(s) of vesicular transport is for nonspecific engulfment of fluid and materials from outside of the cell? a receptor-mediated endocytosis b exocytosis c pinocytosis d phagocytosis and pinocytosisarrow_forward
- The cells lining the small intestine rapidly move large quantities of glucose from the glucose-rich food into their glucose-poor cytoplasm. Using this information which transport mechanism is most probably functioning in the intestinal cells? a) simple diffusion b) phagocytosis c) active transport pump d) exocytosis e) Facilitated diffusionarrow_forwardWhat is the name of the phenomenon in which a white blood cell engulfs a pathogen? Which cytoskeletal structures are involved in this process? a. phagocytosis and microtubules. b.phagocytosis and microfilaments. c. pinocytosis and microtubules d. d. pincytosis and microfilamentsarrow_forwardWhich of the following processes results in the formation of food vesicle within the cell whose contents will subsequently be digested by enzymes in the lysosome a) receptor mediated endocytosis b) phagocytosis c) pinocytosis d) exocytosisarrow_forward
- By which pathway do cells bring in extracellular fluid? a Pinocytosis b Phagocytosis c Receptor-mediated endocytosis d Osmosisarrow_forwardAs a cell grows its plasma membrane expands. Does this involve endocytosis or exocytosis? ATP is not directly involved in the functioning of a co-transporter. Why, then, is co-transport considered active transport?arrow_forwardGlucose is transported across the cell membrane of intestinal cells. The cells lining the small intestine, however, rapidly move large quantities of glucose from the glucose-rich food into their glucose-poor cytoplasm. Using this information, which transport mechanism is most probably functioning in the intestinal cells? A facilitated diffusion B simple diffusion C osmosis D concentration gradientarrow_forward
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