BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 9.1, Problem 1LO
Summary Introduction
To discriminate: The method of signaling based on distance from a source to reception.
Introduction: The cell signaling is the process of cell communication within the body. It is the ability of cells that perceive and respond to the micro-environment in the basis of tissue repair, immunity, and development. It is classified into five types namely intracrine, autocrine, juxtacrine, paracrine, and endocrine.
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What is honest signaling? Describe one honest signal that you produce.
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QUESTION :
— How do cells communicate ?
— Cite and example of a chemical substance that could disrupt the message that it conveys. Explain how it fools receptors.
1) In the following scenarios determine if the communication scenario is deceit, mutuality, eavesdropping or spite. Be sure to justify your answer.
a) Male guppies have red spots to attract mates. The redness comes from the diet of the male. Females prefer redder males when choosing a mate.
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Chapter 9 Solutions
BIOLOGY
Ch. 9.1 - Prob. 1LOCh. 9.1 - Prob. 2LOCh. 9.2 - Prob. 1LOCh. 9.3 - Prob. 1LOCh. 9.3 - Prob. 2LOCh. 9.4 - Prob. 1LOCh. 9.4 - Describe how information crosses the membrane in...Ch. 9.4 - Prob. 3LOCh. 9.4 - Prob. 4LOCh. 9.5 - Prob. 1LO
Ch. 9.5 - Prob. 2LOCh. 9 - Paracrine signaling is characterized by ligands...Ch. 9 - Signal transduction pathways a. are necessary for...Ch. 9 - The function of a ____is to add phosphates to...Ch. 9 - Which of the following receptor types is NOT a...Ch. 9 - How does the function of an intracellular receptor...Ch. 9 - Signaling through receptor tyrosine kinases often...Ch. 9 - Prob. 7UCh. 9 - Which of the following best describes the...Ch. 9 - Prob. 1ACh. 9 - The ion Ca2+ can act as a second messenger because...Ch. 9 - Different receptors can have the same effect on a...Ch. 9 - In comparing small G proteins like Ras and GPCR...Ch. 9 - Prob. 5ACh. 9 - The receptors for steroid hormones and peptide...Ch. 9 - Describe the common features found in all examples...Ch. 9 - The sheet of cells that form the gut epithelium...
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- Cell to cell communication is one of the four core principles of anatomy and physiology. In order to communicate cells, use: electrical signals chemical signals both are correct neither are correct.arrow_forwardDraw how the signals are traveled through the nervous system in the human body case of danger.arrow_forwardExplain how signals can specifically target only some cells,even if they are released into the bloodstream and comeinto contact with many cells.arrow_forward
- which of the following is true of chemical signals? - they can only be perceived by the intended reciever - they require physical contact between a molecule and a receptor adapted to fit that molecule - they are perceptible from longer distances, on average, than mechanical signals such as sound waves - they are used almost exclusively in a mating or courtship contextarrow_forwardWhat consist of sensors that monitora particular cellular event, a signaling pathway,arrow_forwardCompare the following types of communications systems: nervous system, endocrine system, paracrine system, and direct communication in terms of chemical messengers and how or where those messengers travel.arrow_forward
- Q.Il Match the following components of communication with their key words 33. Sender 34. Message 35. Receiver 36. Feedback a. What is conveyed b. Encoder Decoder d. Client Responsearrow_forwardWhy are the fingers and toes always at the distal end of the limb? The answers may come from a model that involves the diffusion of two or more negatively interacting signals.arrow_forwardWhich of the following statement is not true for signalling mechanism? O Dialing process is the best example of signaling mechanism. O I t is a mechanism to provide network to establish, maintain and terminate sessions. O None of these. O It is usually carried out with the support of specific signals or messages.arrow_forward
- Describe what makes an incoming signal excitatory. Describe what makes an incoming signal inhibitory. Give typing answer with explanation and conclusionarrow_forwardComplete the Venn diagram that compares stimulatory with inhibitory signal transductionpathways.Inhibitory signaltransduction pathwayStimulatory signaltransduction pathwayarrow_forwardSelect the correct order of signal transduction / cell communication / cell signaling. Reception - Response - Amplification Amplification - Reception - Response Response - Reception - Amplification Reception - Amplification - Responsearrow_forward
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