Principles of Anatomy and Physiology
15th Edition
ISBN: 9781119329398
Author: Gerard J Tortora, Bryan Derrickson
Publisher: John Wiley & Sons Inc
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Chapter 3, Problem 1CTQ
CTQ 1:
Mucin is a protein present in saliva and other secretions. When mixed with water, it becomes the slippery substance known as mucus. Trace the route taken by mucin through the cell, from its synthesis to its secretion, listing all organelles and processes involved.
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Chapter 3 Solutions
Principles of Anatomy and Physiology
Ch. 3 - Prob. 1CPCh. 3 - Checkpoint 2:
How do hydrophobic and hydrophilic...Ch. 3 - What substances can and cannot diffuse through the...Ch. 3 - “The proteins present in a plasma membrane...Ch. 3 - Checkpoint 5:
How does cholesterol affect membrane...Ch. 3 - Checkpoint 6:
Why are membranes said to have...Ch. 3 - Checkpoint 7:
What factors contribute to an...Ch. 3 - Checkpoint 8:
What factors can increase the rate...Ch. 3 - Checkpoint 9:
How does simple diffusion compare...Ch. 3 - Prob. 10CP
Ch. 3 - Distinguish among isotonic, hypotonic, and...Ch. 3 - What is the key difference between passive and...Ch. 3 - Checkpoint 13:
How do symporters and antiporters...Ch. 3 - What are the sources of cellular energy for active...Ch. 3 - Checkpoint 15:
In what ways are endocytosis and...Ch. 3 - What are some of the chemicals present in cytosol?Ch. 3 - What is the function of cytosol?Ch. 3 - Define an organelle.Ch. 3 - Which organelles are surrounded by a membrane and...Ch. 3 - Checkpoint 20:
Which organelles contribute to...Ch. 3 - Checkpoint 21:
What happens on the cristae and in...Ch. 3 - Checkpoint 22:
How do large particles enter and...Ch. 3 - Where are ribosomes produced?Ch. 3 - Checkpoint 24:
How is DNA packed in the...Ch. 3 - Checkpoint 25:
What is meant by the term gene...Ch. 3 - What is the difference between transcription and...Ch. 3 - Distinguish between somatic and reproductive cell...Ch. 3 - What is the significance of interphase?Ch. 3 - Outline the major events of each stage of the...Ch. 3 - Prob. 30CPCh. 3 - How are haploid and diploid cells different?Ch. 3 - What axe homologous chromosomes?Ch. 3 - Prob. 33CPCh. 3 - What is one reason that some tissues become...Ch. 3 - CTQ 1: Mucin is a protein present in saliva and...Ch. 3 - CTQ 2: Sam does not consume alcohol, whereas his...Ch. 3 - CTQ 3: Marathon runners can become dehydrated due...
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- Identify the four types of tissue in the body, and describe the major functions of each tissue.arrow_forwardDescribe how microfilaments and microtubules are involved in the phagocytosis and destruction of a pathogen by a macrophage.arrow_forwardIn what important way does receptor-mediated endocytosis differ from phagocytosis? It transports only small amounts of fluid It does not involve the pinching off of membrane It brings in only a specifically targeted substance It brings substances into the cell, while phagocytosis removes substances.arrow_forward
- C. Define the difference between passive transport and active transport, and give examples of each. Each example should specify the type of cell, the name of the membrane protein(s), and the substance that is being transported.arrow_forwardB. Some proteins shuttle back and forth between the nucleus and the cytosol. They need a nuclear export sequence to get out of the nucleus. How would they get into the nucleus? What gradient would this protein utilize and how does this gradient contribute to both nuclear import and export?arrow_forwardB. Label the diagrams of cells using the following diffusion, active transport, osmosis. The arrows show the direction of transport. You may use the terms more than once. High protein 4 H,0 molecules High CO2 levels levels Low CO, levels 16 H,0 molecules Low protein levels 1. 3. 8 H,0 molecules 20 glucose molecules 10 H,0 molecules 10 H,0 molecules 2 H20 molecules 5 glucose molecules 4. 6. 2. 5.arrow_forward
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