Biology: Life on Earth with Physiology (11th Edition)
11th Edition
ISBN: 9780133923001
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Textbook Question
Chapter 38.1, Problem 1CYL
describe the four methods of communication between cells in an animal body?
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Animal cell organelles import proteins by three distinct mechanisms. For each mechanism, briefly describe:
a) Name of the mechanism and organelles can obtain proteins via it.
b) Processes of the mechanisms.
Communication Example 1:
Source:
Signal:
Response:
Communication Example 2:
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Signal:
Response:
Communication Example 3:
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Of the following functions the peripheral glycoproteins and glycolipids (surface markers) of animal cell membranes are most important for
a) the ability of the cell to recognize like and different cells.
b) active transport of molecules against their concentration gradients.
c) facilitated diffusion of molecules down their concentration gradients.
d)maintaining membrane fluidity at low temperatures.
Chapter 38 Solutions
Biology: Life on Earth with Physiology (11th Edition)
Ch. 38.1 - describe the four methods of communication between...Ch. 38.1 - Prob. 2CYLCh. 38.1 - Prob. 3CYLCh. 38.2 - Insulin is a large, water-soluble hormone that...Ch. 38.2 - Prob. 1CYLCh. 38.2 - Prob. 2CYLCh. 38.2 - explain the processes of negative and positive...Ch. 38.3 - Prob. 1CSRCh. 38.3 - Prob. 1CYLCh. 38.3 - Prob. 1ET
Ch. 38.3 - Prob. 1HYEWCh. 38.3 - A common test of thyroid gland function is to...Ch. 38.3 - explain how negative feedback regulates the...Ch. 38.3 - Prob. 2TCCh. 38.3 - Endocrine disruptors have most frequently been...Ch. 38 - A student rescan, her decides to perform an...Ch. 38 - Prob. 1FIBCh. 38 - Prob. 1MCCh. 38 - Which chemical class of hormones usually attaches...Ch. 38 - Prob. 2ACCh. 38 - Most endocrine hormones fall into three chemical...Ch. 38 - Prob. 2MCCh. 38 - Prob. 2RQCh. 38 - Prob. 3FIBCh. 38 - Steroid hormones include a. testosterone. b....Ch. 38 - Prob. 3RQCh. 38 - Prob. 4FIBCh. 38 - Prob. 4MCCh. 38 - Prob. 4RQCh. 38 - The pancreas releases the hormone _________ when...Ch. 38 - Prob. 5MCCh. 38 - Prob. 5RQCh. 38 - Prob. 6FIBCh. 38 - Prob. 6RQCh. 38 - The adrenal cortex releases three major types of...
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- Can the Cells in one structure communicate long distances? Explain how?arrow_forwardQ48arrow_forwardBy choosing any 2 of the following topics/systems, discuss how does the animal and plant (name the animal and plant) works in maintaining their function in an environmental stress (name the stress) mentioned above. a) Transport System b) Digestive System c) Respiratory System d) Excretory Systemarrow_forward
- Match the following cellular features and activities with the properties of cells. Cell structure is highly complex and organized structurally. Cell posseses genetic information. Cells engage in metabolism. Cells sense and respond to changes in the environment. A. Mistakes in the genetic material are called mutation. B. Protein receptors on cell membranes receive specific ligands that "communicate" the presence of a simulus or stimuli. C. Cells contain "blueprints" for constructing cellular structures, for rrunning cellular activities and for making more of themselves. D. All living systems are capable of doing "work" in whatever form. E. Cell…arrow_forwardWhich of the following statements is representative of transduction? A) Binding of ligand to cell surface receptor B) Gene expression C) activation of relay molecules D) Spread of diffusion throughout a cellarrow_forwardCan a cell have multiple responses to one stimulus? A) Yes, such as a second messenger activating a kinase and a transcription factor B) No, one stimulus = one response. C) Yes, but only if the stimulus activates two different types of receptors, like a GPCR and a protein kinase receptor at the same timearrow_forward
- Answer the Guide Question: a) Each cell in an organism has all of the basic parts. Each has a function that benefits the other cells, how might the presence of different cell structures in plant and animal help them perform their functions as an organism. Explain. b) Why is the cell membrane considered as the guard of the cell? c) Why is the lysosome considered as the suicide bag of the cell?arrow_forwardWhich of the following terms is not associated with te cell membrane of animal cells? a.) protein channels b.) cholesterol c.) hydrophilic tails d.) fluid mosaicarrow_forwardQ1 Which ONE of the following is a correct statement about normal mammalian cells? a) At resting membrane potential, approximately the same number of Na* and K+ channels are open b) At resting membrane potential, there is an electrical gradient for Na+ to move out of the cell c) Clions are usually at higher concentration in the intracellular fluid than the extracellular fluid d) Na*/K* ATPase pumps move K* ions into the intracellular fluid e) Only excitable (nerve and muscle) cells have a resting membrane potentialarrow_forward
- Describe three different ways in which cells maintainsize and shapearrow_forward1) Which type of animal junction is associated with linking the cytoplasm of cells and exchange of ions nutrients and other small molecules? A)gap junction B)anchoring junction C)tight junction D)plasmodesmata 2) Match the organelle to the function (smooth endoplasmic reticulum, lysosomes, vacuoles, chloroplasts) A) synthesizes lipids and detoxifies drugs and poisons. B)contains hydrolytic enzymes that are used for recycling. C) This is the site of photosynthesis in eukaryotic cells. D) Plants use this organelle to degrade and recycle molecules.arrow_forwardDiscuss, in general terms, how a cell receives and processes information that lets it know what it should do to respond to external conditions.arrow_forward
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