Loose-leaf Version for What Is Life? A Guide to Biology 4E & LaunchPad for What is Life? A Guide to Biology 4E (Twelve Month Access)
4th Edition
ISBN: 9781319154639
Author: Jay Phelan
Publisher: W.H. Freeman & Co
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Chapter 21, Problem 1MC
Summary Introduction
Introduction:
The structures of multicellular organisms are described by the adage “form follows function”.
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What type of cell is long fibers with striations and many nuclei which can be controlled voluntarily or involuntarily?
a.skeletal muscle cells
b.red blood cells
c.stratified squamous epithelial cells
d.nerve cells
e.all of the cell types
Which of the following is a correct statement about a simple epithelium? a. All of the cells are in direct contact with the basement membrane. b. It protects against mechanical abrasion. c. It is formed from multiple layers of cells. d. It may contain the protein keratin.
Which of the following is one of the four basic cell types in the body?a. respiratoryb. epithelialc. endocrined. integumentarye. immune
Chapter 21 Solutions
Loose-leaf Version for What Is Life? A Guide to Biology 4E & LaunchPad for What is Life? A Guide to Biology 4E (Twelve Month Access)
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Botox is a toxin produced by the bacterium Clostridium botulinum. When ingested with tainted food, Botox can kill by paralyzing muscles needed for breathing and heartbeat. Physicians inject small quantities of diluted Botox into facial muscles to paralyze them and reduce the appearance of wrinkles. Some people have expressed concern about a trend in which people come together for “Botox parties” at hair salons and other nonmedical settings. What are the risks of getting injections in such a setting?arrow_forwardWhich of the following statements is true? a.Cardiac muscle cells are found in the heart and large blood vessels. b.Cardiac muscle cells have many nuclei. c.Striated muscle cells are long and cylindrical with many nuclei. d.Smooth muscle cells have T tubules.arrow_forwardWhich of the following statements can CORRECTLY be made about muscle tissue? 1. The main characteristic of muscle tissue is its ability to contract, or shortens, making movement possible. II. Skeletal muscle fibers appear banded with many cells at the periphery and under involuntary control. II. Cardiac muscle cells are cylindrical, not striated, and have a centrally located nucleus and under involuntary IV. Smooth muscle cells are tapered at each end, are not striated, and have a single control. nucleus and under involuntary control. O Statements I and IV are correct O Statements 1, II, IV are correct O Statements i, II, III, and V are correct O Statements Il and Itl are correct 21 22 23 24 25 26 27 28 29 30arrow_forward
- One of the main functions associated with simple squamous epithelium is Select one: a. absorption b. active transport C. secretion d. diffusionarrow_forwardWhich of the following statements regarding epithelial tissue are true? If a statement is false, correct it to make a true statement. a. Epithelial tissues are classified by cell shape and the number of cell layers. b. Epithelial tissues function in protection, immune defenses, secretion, transport, and sensation. c. Epithelial tissue is highly vascular. d. A goblet cell is a unicellular exocrine gland that secretes mucus. e. Pseudostratified epithelium appears to be simple epithelium but is actually stratified. f. Stratified epithelia are specialized to allow substances to cross their cells rapidly.arrow_forwardWhat type of cell is found in a layer of cells of which the exterior layer is made of flattened-shaped cells? a.skeletal muscle cells b.red blood cells c.stratified squamous epithelial cells d.nerve cells e.all of the cell typesarrow_forward
- Which of the following is not a function of an epithelium?a. It is selectively permeable.b. It serves as a packing and binding material.c. The cells can produce secretory products.d. It is designed for physical protection.arrow_forwardWhich of the following sentences is NOT correct? A. Microvilli increase the surface area of the epithelial cells B. Desmosomes are an effective barrier to the diffusion of substances across an epithelium C. Epithelial tissues are classified by the shape of the epithelial cells in the basal layer D. Release of lipid droplets from cells is a type of merocrine secretion E. Epithelial tissues are classified by the number of cell layers F. None of the above G. Both A and E H. B, C and Darrow_forwardWhich of these statements about nervous tissue is not true?a. Neurons have cytoplasmic extensions called axons.b. Electrical signals (action potentials) are conducted along axons.c. Bipolar neurons have two axons.d. Neurons are nourished and protected by glia.e. Dendrites receive electrical signals and conduct them toward thecell bodyarrow_forward
- Which of the following is not a type of tissue?a. muscleb. nervousc. embryonicd. epithelialarrow_forwardWhich of the following statements can CORRECTLY be made about muscle tissue? 1. The main characteristic of muscle tissue is its ability to contract, or shortens, making movement possible. II. Skeletal muscle fibers appear banded, with many cells at the periphery and under involuntary control. II. Cardiac muscle cells are cylindrical, not striated, and have a centrally located nucleus and under involuntary IV. Smooth muscle cells are tapered at each end, are not striated, and have a single control. nucleus and under involuntary control. O Statements I and IV are correct O Statements I, II, IV are correct O Statements 1, II, HI, and IV are correct O Statements II and II are correct 21 22 23 24 25 26 27 28 29 30arrow_forwardWhich of the following sentences is NOT correct?A. Microvilli increase the surface area of the epithelial cellsB. Desmosomes are an effective barrier to the diffusion of substances across an epithelium C. Epithelial tissues are classified by the shape of the epithelial cells in the basal layerD. Release of lipid droplets from cells is a type of merocrine secretionE. Epithelial tissues are classified by the number of cell layersF. None of the aboveG. Both A and E H. B. C and Darrow_forward
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