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22) When one ligand binds to one receptor, the cells response is A) immediate C) amplified by a messenger cascade B) relayed by messengers and enzymes D) delayed until the ligand terminates

22) When one ligand binds to one receptor, the cells response is A) immediate C) amplified by a messenger cascade B) relayed by messengers and enzymes D) delayed until the ligand terminates

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Answer #22

Certainly! Here is the transcription of the text you provided: --- 19) Which of the following statements describes the events of apoptosis? A) The cell's DNA and organelles are fragmented, the cell shrinks and forms blebs, and the cell's parts are packaged in vesicles that are digested by specialized cells. B) The cell's DNA and organelles become fragmented, the cell enlarges and bursts. C) The cell dies, its lysed fragments are phagocytized, and its contents are recycled. D) The cell's DNA and organelles are fragmented, the cell dies, and it is phagocytized. 20) Synaptic signaling between adjacent neurons is like hormone signaling in which of the following ways? A) It persists over a long period. B) It occurs in animal cells with the correct receptors. C) It sends its signal molecules quite a distance. D) Specialized cells release hormone molecules into the circulatory system. 21) Which of the following provides the best evidence that cell-signaling pathways evolved early in the history of life? A) Bacteria and yeast cells signal each other in a process called quorum sensing. B) Most signals in all types of organisms are transmitted by cell surface receptors. C) Signal transduction molecules identified in distantly related organisms are similar. D) Cell-signaling pathways are seen in "primitive" cells such as bacteria and yeast. 22) When one ligand binds to one receptor, the cell's response is A) immediate. B) relayed by messengers and enzymes. C) amplified by a messenger cascade. D) delayed until the ligand terminates. --- There are no graphs or diagrams in the image, only text.
Transcribed Image Text:Certainly! Here is the transcription of the text you provided: --- 19) Which of the following statements describes the events of apoptosis? A) The cell's DNA and organelles are fragmented, the cell shrinks and forms blebs, and the cell's parts are packaged in vesicles that are digested by specialized cells. B) The cell's DNA and organelles become fragmented, the cell enlarges and bursts. C) The cell dies, its lysed fragments are phagocytized, and its contents are recycled. D) The cell's DNA and organelles are fragmented, the cell dies, and it is phagocytized. 20) Synaptic signaling between adjacent neurons is like hormone signaling in which of the following ways? A) It persists over a long period. B) It occurs in animal cells with the correct receptors. C) It sends its signal molecules quite a distance. D) Specialized cells release hormone molecules into the circulatory system. 21) Which of the following provides the best evidence that cell-signaling pathways evolved early in the history of life? A) Bacteria and yeast cells signal each other in a process called quorum sensing. B) Most signals in all types of organisms are transmitted by cell surface receptors. C) Signal transduction molecules identified in distantly related organisms are similar. D) Cell-signaling pathways are seen in "primitive" cells such as bacteria and yeast. 22) When one ligand binds to one receptor, the cell's response is A) immediate. B) relayed by messengers and enzymes. C) amplified by a messenger cascade. D) delayed until the ligand terminates. --- There are no graphs or diagrams in the image, only text.
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