Chapter 03 Cellular Form and Function

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Chapter 03  Cellular Form and Function

 

 

Complete chapter Questions And Answers
 

Sample Questions

 

 

True / False Questions

  1. The most important advantage of the transmission electron microscope (TEM) over the light microscope (LM) is its higher resolution.

    TRUE

  2. If a cell doubled in diameter, it would have twice as much cytoplasm to maintain.

    FALSE

    Accessibility: Keyboard Navigation Blooms Level: 3. Apply Gradable: automatic Learning Outcome: 03.01c State the size range of human cells and discuss factors that limit cell size. Section: 03.01 Topic: Intracellular organization

  3. In the plasma membrane, glycolipids and glycoproteins face toward the cytoplasm, while peripheral proteins always face toward the ECF.

    FALSE

  4. A cell’s second messengers serve to transport material through cellular membranes.

    FALSE

    Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: C07.03 Describe how proteins are distributed in a cell membrane, and explain their functions. HAPS Topic: Module C07 Membrane structure and function. Learning Outcome: 03.02c Describe the second-messenger system and discuss its importance in human physiology. Section: 03.02 Topic: Membrane structure and function

    3-1
    Copyright © 2018 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education.

Accessibility: Keyboard Navigation Blooms Level: 2. Understand Gradable: automatic Learning Outcome: 03.01d Discuss the way that developments in microscopy have changed our view of cell structure. Section: 03.01 Topic: Intracellular organization

Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: C07.02 Describe how carbohydrates are distributed in a cell membrane, and explain their functions. HAPS Objective: C07.03 Describe how proteins are distributed in a cell membrane, and explain their functions. HAPS Topic: Module C07 Membrane structure and function. Learning Outcome: 03.02a Describe the structure of the plasma membrane. Section: 03.02 Topic: Membrane structure and function

  1. Microvilli and cilia differ in their function, but have the same internal structure.

    FALSE

    Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: C07.03 Describe how proteins are distributed in a cell membrane, and explain their functions. HAPS Topic: Module C07 Membrane structure and function. Learning Outcome: 03.02e Describe the structure and functions of microvilli, cilia, flagella, and pseudopods. Section: 03.02 Topic: Membrane structure and function

  2. Ligand-gated ion channels are membrane proteins that open or close in response to the binding of a chemical.

    TRUE

    Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: C07.03 Describe how proteins are distributed in a cell membrane, and explain their functions. HAPS Topic: Module C07 Membrane structure and function. Learning Outcome: 03.02b Explain the functions of the lipid, protein, and carbohydrate components of the plasma membrane. Section: 03.02 Topic: Membrane structure and function

  3. The greater the concentration gradient, the faster the diffusion rate.

    TRUE

    Accessibility: Keyboard Navigation Blooms Level: 2. Understand Gradable: automatic HAPS Objective: C08.01b Describe the mechanism by which movement of material occurs in each membrane transport process: simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration. HAPS Topic: Module C08 Mechanisms for movement of materials across cell membranes. Learning Outcome: 03.03b Describe the various mechanisms for transporting material through cellular membranes. Section: 03.03 Topic: Mechanisms for movement across cell membranes

    Na+-K+ ATPase is a countertransport antiport carrier, which always requires energy.

    TRUE

    Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: C07.03 Describe how proteins are distributed in a cell membrane, and explain their functions. HAPS Objective: C08.01d Give examples of each membrane transport process in the human body: simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration. HAPS Topic: Module C07 Membrane structure and function. HAPS Topic: Module C08 Mechanisms for movement of materials across cell membranes. Learning Outcome: 03.03b Describe the various mechanisms for transporting material through cellular membranes. Section: 03.03 Topic: Mechanisms for movement across cell membranes

    3-2
    Copyright © 2018 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education.

8.

9.

The sodium-glucose transport protein (SGLT) is one example of an active transport process involving a uniport carrier.

FALSE

Accessibility: Keyboard Navigation Blooms Level: 2. Understand Gradable: automatic HAPS Objective: C07.03 Describe how proteins are distributed in a cell membrane, and explain their functions. HAPS Objective: C08.01d Give examples of each membrane transport process in the human body: simple diffusion, facilitated diffusion, osmosis, active transport, exocytosis, endocytosis, phagocytosis, pinocytosis, and filtration. HAPS Topic: Module C07 Membrane structure and function. HAPS Topic: Module C08 Mechanisms for movement of materials across cell membranes. Learning Outcome: 03.03b Describe the various mechanisms for transporting material through cellular membranes. Section: 03.03 Topic: Mechanisms for movement across cell membranes

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