Textbook Question
Explain how the members of the endomembrane system interact.
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Ch. 3 The Cell
Amerman3rd EditionHuman Anatomy & PhysiologyISBN: 9780138247201, 9780138247928, 9780138201814
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Table of contents
- Ch. 1 Introduction to Anatomy and Physiology24
- Ch. 2 The Chemistry of Life37
- Ch. 3 The Cell54
- Ch. 4 Histology46
- Ch. 5 The Integumentary System30
- Ch. 6 Bones and Bone Tissue36
- Ch. 7 The Skeletal System40
- Ch. 8 Articulations19
- Ch. 9 The Muscular System35
- Ch. 10 Muscle Tissue and Physiology29
- Ch. 11 Introduction to the Nervous System and Nervous Tissue28
- Ch. 12 The Central Nervous System41
- Ch. 13 The Peripheral Nervous System41
- Ch. 14 The Autonomic Nervous System and Homeostasis31
- Ch. 15 The Special Senses39
- Ch. 16 The Endocrine System42
- Ch. 17 The Cardiovascular System I: The Heart28
- Ch. 18 The Cardiovascular System II: The Blood Vessels43
- Ch. 19 Blood32
- Ch. 20 The Lymphatic System and Immunity41
- Ch. 21 The Respiratory System27
- Ch. 22 The Digestive System27
- Ch. 23 Metabolism and Nutrition7
- Ch. 24 The Urinary System39
- Ch. 25 Fluid, Electrolyte, and Acid-Base Homeostasis39
- Ch. 26 The Reproductive System10
- Ch. 27 Development and Heredity5
Amerman3rd EditionHuman Anatomy & PhysiologyISBN: 9780138247201, 9780138247928, 9780138201814Not the one you use?Change textbook
Chapter 3, Problem 11b
Mark the following statements about the cytoskeleton as true or false. If a statement is false, correct it to make a true statement.
The cilia found on sperm cells propel the cells through a liquid medium.
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Understand the role of the cytoskeleton in cellular structures like cilia and flagella. The cytoskeleton is a network of protein filaments that provides structural support and facilitates movement in cells.
Recall the specific structures involved in cell motility. Sperm cells use a flagellum, not cilia, for propulsion through a liquid medium. The flagellum is a whip-like structure powered by microtubules and motor proteins such as dynein.
Evaluate the statement: 'The cilia found on sperm cells propel the cells through a liquid medium.' This statement is false because sperm cells do not have cilia; they have a single flagellum for movement.
Correct the false statement: Replace 'cilia' with 'flagellum' to make the statement true. The corrected statement would be: 'The flagellum found on sperm cells propels the cells through a liquid medium.'
Review the corrected statement to ensure it aligns with the biological function of the cytoskeleton and the structures involved in sperm motility.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Cytoskeleton Structure
The cytoskeleton is a dynamic network of protein filaments and tubules that provides structural support, shape, and organization to cells. It consists of three main components: microfilaments, intermediate filaments, and microtubules, each playing distinct roles in cellular functions such as motility, division, and intracellular transport.
Recommended video:
06:05
Introduction to the Cytoskeleton
Cilia and Flagella
Cilia and flagella are hair-like structures that extend from the surface of many eukaryotic cells. They are composed of microtubules arranged in a specific pattern and are primarily involved in movement. While cilia can move fluid over the cell surface, flagella, like those on sperm cells, are specialized for propelling the entire cell through a liquid medium.
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03:14Cilia & Flagella
Cell Motility
Cell motility refers to the ability of cells to move and navigate through their environment. This process is crucial for various biological functions, including reproduction, immune response, and tissue repair. In sperm cells, the coordinated beating of flagella enables them to swim towards the egg, highlighting the importance of motility in reproductive biology.
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Guided course
3:06Motility in the Small Intestine
Related Practice
Textbook Question
Mark the following statements about the cytoskeleton as true or false. If a statement is false, correct it to make a true statement.
Centrioles are part of the centrosome from which microtubules originate.
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Textbook Question
Match the following terms with the correct functions.
Peroxisome
Ribosome
Smooth endoplasmic reticulum
Mitochondrion
Golgi apparatus
Lysosome
Rough endoplasmic reticulum
Vesicle
a. Modifies and folds proteins into the correct structure
b. Modifies, packages, and sorts proteins
c. Contains digestive enzymes
d. Granular organelle that makes proteins
e. Synthesizes most of a cell’s ATP
f. Contains enzymes that oxidize toxins and fatty acids
g. Membrane-enclosed structure used to transport substances through the cell
h. Detoxifies certain chemicals, makes lipids, stores calcium ions
Textbook Question
Mark the following statements about the cytoskeleton as true or false. If a statement is false, correct it to make a true statement.
Microtubules are hollow tubes that align organelles and shuttle them to their proper places in the cell.
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Textbook Question
Mark the following statements about the cytoskeleton as true or false. If a statement is false, correct it to make a true statement.
Actin filaments combine with myosin motor proteins to provide the cell with mechanical strength.
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Textbook Question
Mark the following statements about the cytoskeleton as true or false. If a statement is false, correct it to make a true statement.
Intermediate filaments are ropelike structures composed of tubulin proteins.
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