Human Anatomy & Physiology
1st Edition
ISBN: 9780805382952
Author: Erin C. Amerman
Publisher: PEARSON
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Textbook Question
Chapter 3.3, Problem 5QC
Mark each of the following statements as true or false. If a statement is false, correct it to make a true statement.
A cell placed in a hypertonic environment will lose water by osmosis and shrivel.
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A cell is placed in a hypertonic medium triggering its regulatory volume control mechanism. Which of the following statements best describes the main ion movement responsible for the regulatory volume control in this situation?
Efflux of K+ from the cytosol.
Efflux of Na+ from the cytosol.
Influx of Na+ into the cytosol.
Influx of K+ into the cytosol.
In osmosis, water flows from hypertonic/hypotonic/isotonic solutions to hypertonic/hypotonic/isotonic solutions, until both solutions are hypertonic/hypotonic/isotonic.
Submerging of a red blood cell in a hypertonic solution will result in
Lysis of the cell membrane
Bursting of the cell
Plasmolysis of the cell
The cell becoming turgid
The cell becoming flaccid
Chapter 3 Solutions
Human Anatomy & Physiology
Ch. 3.1 - What are the general functions of cells?
Ch. 3.1 - Prob. 2QCCh. 3.1 - Where are intracellular and extracellular fluids...Ch. 3.2 - How do the phospholipids arrange themselves in the...Ch. 3.2 - 2. How is the plasma membrane described according...Ch. 3.2 - List five functions of membrane proteins.Ch. 3.2 - What roles do cholesterol, glycoproteins, and...Ch. 3.3 - The energy for passive processes comes from the...Ch. 3.3 - Mark each of the following statements as true or...Ch. 3.3 - Simple diffusion is a passive process, but...
Ch. 3.3 - Mark each of the following statements as true or...Ch. 3.3 - Mark each of the following statements as true or...Ch. 3.3 - How does the process of primary active transport...Ch. 3.3 - What is the main primary active transport pump in...Ch. 3.3 - Describe the process of secondary active...Ch. 3.3 - What are the three types of endocytosis, and how...Ch. 3.3 - Explain the basic process of exocytosis.Ch. 3.4 - 1. Identify the properties listed in the next...Ch. 3.4 - Identify the following properties as belonging to...Ch. 3.4 - To what destinations can products from the Golgi...Ch. 3.5 - Prob. 1QCCh. 3.5 - Prob. 2QCCh. 3.5 - Prob. 3QCCh. 3.6 - 1. What are the main components of the nucleus?...Ch. 3.6 - What is chromatin? How are chromatin and...Ch. 3.6 - 3. What is a nucleolus, and what is its...Ch. 3.7 - How is a codon related to a triplet?Ch. 3.7 - 2. Describe the basic steps of transcription.
Ch. 3.7 - Explain how tRNA acts as the translator of the...Ch. 3.7 - Describe the basic steps of translation.Ch. 3.7 - 5. Why is posttranslational modification...Ch. 3.7 - 6. Why is it important to regulate gene...Ch. 3.8 - What happens during each stage of the cell cycle?Ch. 3.8 - What does semiconservative replication mean?Ch. 3.8 - Describe the changes in the cell that take place...Ch. 3.8 - What are four external factors that play a role in...Ch. 3 - Which of the following is not a basic function...Ch. 3 - Prob. 2CYRCh. 3 - What are the two fluid compartments in the body,...Ch. 3 - 4. Which of the following best describes the...Ch. 3 - Mark the following statements about the plasma...Ch. 3 - 6. What is the primary difference between active...Ch. 3 - 7. Match the term with its appropriate...Ch. 3 - 8. Fill in the blanks: A hypotonic solution will...Ch. 3 - 9. Match the following terms with the correct...Ch. 3 - Prob. 10CYRCh. 3 - Mark the following statements about the...Ch. 3 - 12. Our somatic cells’ DNA is distributed among...Ch. 3 - Explain how and why chromatin is condensed in the...Ch. 3 - Which of the following statements correctly...Ch. 3 - Each of the following statements about protein...Ch. 3 - Number the following steps of protein synthesis in...Ch. 3 - Which of the following is not a phase of mitosis?...Ch. 3 - 18. Why is regulation of the cell cycle...Ch. 3 - 19. Mark the following statements about the cell...Ch. 3 - 20. Match the following terms with the correct...Ch. 3 - 1. Write a single sentence, using no more than 25...Ch. 3 - 2. Certain diseases are transmitted via...Ch. 3 - 3. Explain how the form of each of the following...Ch. 3 - Certain types of cancerous lung tumors can secrete...Ch. 3 - Why do you think the rate of cell division is...Ch. 3 - 1. A patient is admitted to the hospital and...Ch. 3 - A popular science fiction program once had an...Ch. 3 - Prob. 3AYKACh. 3 - Prob. 4AYKACh. 3 - 5. Explain how buffer systems in the body work if...
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- Distinguish between the following pairs of terms: a. diffusion; osmosis b. passive transport; active transport c. endocytosis; exocytosisarrow_forwardIn each picture, mark a plus + where the water concentration is higher, and a minus - where it is lower.arrow_forwardOsmosis is _________________ movement of water down its concentration gradient using a protein channel movement of materials against their concentration gradient movement of one substance against, and one substance down their concentration gradients movement of molecules from high concentration to low concentration using no protein channels movement of materials down their concentration gradient using a protein channelarrow_forward
- Osmosis takes place when water goes from an area of low water concentration to an area of high water concentration. True Falsearrow_forwardOsmosis is a type of active transport, but specifically for water. True Falsearrow_forwardTwo aqueous solutions that differ in solute concentration are placed on either side of a semi permeable membrane. Osmosis is allowed to take place. The water will: move towards the side with higher solute concentration move towards the side with higher water concentration move equally in both directions not cross the membranearrow_forward
- A plant cell placed into a hypertonic solution will experience which of the following effects? plasmolysis expulsion of the excess water using its contractile vacuoles hemolysis entrance of excess water through its contractile vacuoles turgidityarrow_forwardIn osmosis, water moves from a _____ concentration to a _____ lower concentration. Select one: higher, lower higher, higher lower, higher lower, lowerarrow_forwardThe movement of a substance across a membrane, from low to high concentrations of that substance (requiring the expenditure of energy, often in the form of ATP hydrolysis), is always categorized as: active transport facilitated diffusion simple diffusion passive transport osmosisarrow_forward
- Which of the following processes could result in the net movement of a substance into a cell, if the substance is more concentrated in the cell than in the surroundings? diffusion active transport osmosis facilitated diffusionarrow_forwardWhich of the following best describes a hypotonic solution? a-There is a higher concentration of solute outside the cell than inside the cell b-There is a lower concentration of solute outside the cell than inside the cell c-The solute concentration both inside and outside the cell is equal d-Through osmosis, water will enter the cell causing it to swellarrow_forwardCells are placed in a beaker of water. The concentration of glucose outside of the cells is 3 mg/ml. The concentration of glucose inside of the cells is 33 mg/ml. Assuming glucose is the only solute, in which direction will osmosis occur? *arrow_forward
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