EBK HUMAN ANATOMY
8th Edition
ISBN: 9780100799554
Author: Martini
Publisher: YUZU
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Textbook Question
Chapter 2, Problem 3RC
Identify the three passive processes by which substances get into and out of cells.
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Distinguish between active and passive mechanisms of movement across cell membranes.
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Which of the following statements about the sodium-potassium pump is correct?
A) Both sodium and potassium move down their concentration gradient across the membrane
B) 2 sodium ions are pumped out of the cell against their concentration gradient
C) The sodium-potassium pump is a type of cotransport.
D) ATP is used as an energy source
Chapter 2 Solutions
EBK HUMAN ANATOMY
Ch. 2 - Level 1 Reviewing Facts and Terms Match each...Ch. 2 - Prob. 2RFTCh. 2 - Level 1 Reviewing Facts and Terms Match each...Ch. 2 - Level 1 Reviewing Facts and Terms
Match each...Ch. 2 - Prob. 5RFTCh. 2 - Prob. 6RFTCh. 2 - Level 1 Reviewing Facts and Terms Match each...Ch. 2 - Match each numbered item with the most closely...Ch. 2 - Prob. 9RFTCh. 2 - All of the following membrane transport mechanisms...
Ch. 2 - Prob. 11RFTCh. 2 - Compared to the intracellular fluid, the...Ch. 2 - 13. Label the following organelles on the diagram...Ch. 2 - Prob. 14RFTCh. 2 - Prob. 15RFTCh. 2 - 16. Three major functions of the endoplasmic...Ch. 2 - 17. A selectively permeable plasma membrane
(a)...Ch. 2 - Prob. 18RFTCh. 2 - Identify the advantages a cell has because its...Ch. 2 - 2. Identify the three basic concepts that make up...Ch. 2 - 3. Identify the three passive processes by which...Ch. 2 - Compare and contrast facilitated diffusion and...Ch. 2 - Prob. 5RCCh. 2 - Prob. 6RCCh. 2 - 7. Name the stages of mitosis shown in this...Ch. 2 - Identify the four general functions of the plasma...Ch. 2 - Tell why the skin of your hands gets swollen and...Ch. 2 - Prob. 2CTCh. 2 - Experimental evidence demonstrates that in the...
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- Two cells can be operated in such a way that leads to a common continuous plasma membrane of both.a) Trueb) Falsearrow_forwardGive Major Characteristics of Pathways by Which Substances Cross Membranes?arrow_forwardWhich one of the following will have the least difficulty in crossing the plasma membrane? a) Na+ b) Cl- c) fatty acids d) all of thesearrow_forward
- Give some examples to illustrate the general principle of physiologythat control and exchange materials that occur between compartments and across cellular membranes?arrow_forwardThe three fundamental classes of proteins involved in transport across membranes are: i) channelsii) pumpsiii) exchangers For each class, describe its essential features, explain how transport is accomplished and name at least one representative example.arrow_forwardFactors that affect the rate of diffusion through a membrane include all of the following EXCEPT: a)membrane surface area. b) molecular weight. c) availability of energy. d) steepness of concentration gradient.arrow_forward
- discuss the following statement: “the structure and function of a living cell are dictated by the laws of physics and chemistry.”arrow_forwardIdentify the major transport mechanism that carry substance in and out of cells.arrow_forwardDefine diffusion. How does this differ from osmosis?arrow_forward
- Discuss Major Characteristics of Pathways by Which Substances Cross Membranes?arrow_forwardProteins which are only on one side of the plasma membrane and may not interact with the phospholipids directly. The proteins are often involved in intracellular signialing. a) cholesterol b) peripheral protein c) integral proteins D) glycolipidarrow_forwardGive the biological terms for (a) cellular reproduction and (b) cell death.arrow_forward
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