Principles of Human Physiology (6th Edition)
6th Edition
ISBN: 9780134169804
Author: Cindy L. Stanfield
Publisher: PEARSON
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Textbook Question
Chapter 4, Problem 8E
Movement of Na+ in sodium-linked glucose transport, in sodium-proton exchange, and via the sodium-potassium pump are all examples of
a. Primary active transport.
b. Passive transport.
c. Mediated transport.
d. Simple diffusion.
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Below are three statements - two of which are truths and one is a lie. Which of the following statements is a lie?
Select one:
a. Both primary and secondary transport moves solutes against their concentration gradients.
b. The primary active transport prepares the conditions of the membrane gradient by making the extracellular membrane slightly more negative than the intracellular membrane.
c. The primary active transport uses ATP while secondary active transport helps replenish ATP.
Which of these statements about carrier-mediated facilitated diffusion is true? a. It uses cellular ATP. b. It is used for cellular uptake of blood glucose. c. It is a form of active transport. d. None of these are true.
Which of these statements about the facilitated diffusion of glucose is true? a. There is a net movement from the region of lower to the region of higher concentration. b.Carrier proteins in the plasma membrane are required for this transport. c. This transport requires energy obtained from ATP. d.It is an example of cotransport.
Chapter 4 Solutions
Principles of Human Physiology (6th Edition)
Ch. 4.1 - What is the difference between passive transport...Ch. 4.1 - Prob. 4.1.2QCCh. 4.1 - Prob. 4.1.3QCCh. 4.1 - Determine the direction of the electrical driving...Ch. 4.1 - Assume that sodium and calcium ions are being...Ch. 4.1 - Refer to Table 4.1 for intracellular and...Ch. 4.3 - In simple diffusion, do individual molecules...Ch. 4.3 - Prob. 4.3.2QCCh. 4.3 - Prob. 4.3.3QCCh. 4.3 - What is the difference between a channel and a...
Ch. 4.3 - Prob. 4.4.2QCCh. 4.3 - Prob. 4.4.3QCCh. 4.4 - Prob. 4.5.1QCCh. 4.4 - Prob. 4.5.2QCCh. 4.4 - Prob. 4.5.3QCCh. 4.6 - Name the three types of endocytosis. Which type(s)...Ch. 4.6 - Prob. 4.6.2QCCh. 4.7 - Prob. 4.7.1QCCh. 4.7 - Prob. 4.7.2QCCh. 4.7 - Prob. 1CTQCh. 4.7 - Prob. 2CTQCh. 4.7 - Prob. 3CTQCh. 4 - Prob. 1ECh. 4 - Prob. 2ECh. 4 - Prob. 3ECh. 4 - Prob. 4ECh. 4 - Prob. 5ECh. 4 - Prob. 6ECh. 4 - Prob. 7ECh. 4 - Movement of Na+ in sodium-linked glucose...Ch. 4 - Prob. 9ECh. 4 - Prob. 10ECh. 4 - Which of the following transport mechanisms...Ch. 4 - Substances that cross cell membranes by simple...Ch. 4 - Prob. 13ECh. 4 - Prob. 14ECh. 4 - Prob. 15ECh. 4 - Prob. 16ECh. 4 - Prob. 17ECh. 4 - Prob. 18ECh. 4 - Describe the various factors that determine...Ch. 4 - Explain the mechanism of glucose absorption by...Ch. 4 - Prob. 21ECh. 4 - Prob. 22ECh. 4 - Prob. 23ECh. 4 - Prob. 24ECh. 4 - Prob. 25ECh. 4 - Prob. 26ECh. 4 - Prob. 27E
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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
- How do electroneutral co-transporters depend on the transmembrane potential? Select one: a. They depend on the transmembrane potential to some extent b. They are completely independent of the transmembrane potential c. They very slightly depend on the transmembrane potential d. They strongly depend on the transmembrane potentialarrow_forwardWhich of these transport pathways require ATP? Select all that apply. A. Sodium-potassium pump B. Glucose transporter C. Osmotic diffusion D. Calcium pumparrow_forwardNa+, and K+ random continuous motion through their respective ion channels represents an example of? Select one: a. Simple diffusion b. Primary active transport c. Secondary active transport d. facilitated diffusion e. Nacl and KCI cotransportersarrow_forward
- Compare and contrast the following processes. Give anexample of each to illustrate.a. primary vs secondary active transportb. passive vs facilitated diffusionc. carrier-mediated vs channel-mediated transportarrow_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_forwardI. Metabolism is the elimination of metabolic wastes including nitrogenous wastes produced from the breakdown of proteins. II. Diffusion is the movement of water from a region of higher osmolarity to a region of lower osmolarity across a selectively permeable membrane. A. If the two statements are both correct B. If the first statement is correct while the second one is not C. If the second statement is correct while the first one is not D. If the two statements are both incorrect I. The functional units of the kidney where urine is formed. II. Kidneys serve as specialized organs for osmoregulation and excretion A. If the two statements are both correct B. If the first statement is correct while the second one is not C. If the second statement is correct while the first one is not D. If the two statements are both incorrectarrow_forward
- Among the membrane transporters, the channels require energy and therefore are involved in active transport. * D. Disagree, because channels are not proteins and therefore are not involved in active tranport. A. Agree, because channels are associated with H+-ATPase. B. Disagree, because the pumps are the ones involved in active transport. C. Agree, because channels are proteins involved in active transport.arrow_forwardWhich of the following statements about active processes of membrane transport is true? a. cellular energy is required b. substances move against its concentration gradient c. all requires the aid of proteins during transport d. a and b e. a, b, and carrow_forwardActive transport is different from passive transport because a. no additional energy is required. b. molecules move from low concentration to high concentration. c. ions are involved. d. proteins are involved. e. water is moved across the membrane.arrow_forward
- Which of the following is incorrect regarding facilitated diffusion?a. It is a passive process.b. It allows the movement of molecules from areas of lowconcentration to areas of high concentration.c. It may use either channel or carrier proteins.d. It allows the rapid transport of glucose across the membrane.arrow_forwardBelow are three statements - two of which are truths and one is a lie. Which of the following statements is a lie? Select one: a.The primary active transport uses external chemical energy. b.The sodium-potassium pump which is an example of primary active transport is considered as the most important pump. c. In primary active transport, the energy is derived secondarily from energy that has been stored in the form of ionic concentration differences between the two sides of a membrane.arrow_forwardone reason active transport has a limited maximum transport rate at which it can progress is due to the fact that a. energy required is not available inside the cell b. carrier proteins are not on the surface of the cell membrane c. ion channels are limited in size d. the number of carrier proteins is limited and therefore they can become saturatedarrow_forward
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