Human Biology (MindTap Course List)
11th Edition
ISBN: 9781305112100
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Textbook Question
Chapter 15, Problem 1SQ
__________ are molecules released from a signaling cell that have effects on target cells.
- a. Hormones
- b. Neurotransmitters
- c. Local signaling molecules
- d. Pheromones
- e. a and b
- f. all of the above
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Chapter 15 Solutions
Human Biology (MindTap Course List)
Ch. 15 - Distinguish among hormones, neurotransmitters,...Ch. 15 - A hormone molecule binds to a receptor on a cell...Ch. 15 - Which hormones produced in the posterior and...Ch. 15 - Prob. 4RQCh. 15 - Give two examples of feedback control of hormone...Ch. 15 - __________ are molecules released from a signaling...Ch. 15 - Hormones are produced by ______________. a....Ch. 15 - ADH and oxytocin are hypothalamic hormones...Ch. 15 - _______ has effects on body tissues in general. a....Ch. 15 - Which of the following stimulate the secretion of...
Ch. 15 - _________lowers blood sugar levels; ____________...Ch. 15 - The pituitary detects a rising hormone...Ch. 15 - Second messengers assist _________. a. steroid...Ch. 15 - Match the hormone source with the closest...Ch. 15 - Match the endocrine control concepts.Ch. 15 - Addisons disease develops when the adrenal cortex...Ch. 15 - A physician sees a patient whose symptoms include...Ch. 15 - Prob. 3CTCh. 15 - Secretion of the hormone ADH may decrease or stop...
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- Transmitter release is dependent on the interaction between v-SNAREs and t-SNAREs. The interaction of these proteins leads to vesicle docking and fusion. Which chemical stimulates the interaction between these proteins? a. cholinesterase b. calcium c. potassium d. ionium What is one important difference between organizing and activating effects of hormones? a. Organizing effects take place during an early sensitive period b. Activating effects are more permanent c. Activating effects take place only in the brain d. Organizing effects take place only in the gonadsarrow_forwardWhich of the following is involved in signaling/communication during cellular processes: Select one: a. myostatin receptor b. all of the above c. RAS d. acetylcholine e. calcium Clear my choicearrow_forwardWhich of the following exert their cell signaling ability by directly phosphorylating other proteins? multiple answers A. RAS B. Epidermal Growth factor C. HER2 D. SRC E. Estrogen Receptorarrow_forward
- Cell signaling systems: A. autocrine B. paracrine C. endocrine D. none among the given Which will have messenger molecules reach their target cells through the bloodstream? A B C Darrow_forwardWhat features are remarkable about steroid receptors? (Select all that apply) A. Steroid receptors are localized in the cytoplasm B. steroid receptors are localized in the plasma membrane C. steroid receptors can translocate to the nucleus D. steroid receptors represent the beginning of a signaling Cascade E. steroid receptors can also function as transcription factorsarrow_forwardSteroid hormones a. can diffuse through the membrane without a carrier. b. have a direct effect on gene expression. c. bind to membrane receptors. d. Both a and b are correct.arrow_forward
- Cell signaling systems: A. autocrine B. paracrine C. endocrine D. none among the given Which will have cell receptors on its own cell's surface that respond to the messenger? A B C Darrow_forwardInteracellular receptors bind a. Hydrophilic molecules B. Cell membrane receptors c. Second messengers such as Camp d. Protein hormones e. Small signals that can diffuse through the cell membranearrow_forwardA cell has epinephrine receptors, yet is unable to respond to epinephrine signaling. One possible reason is: A. The cell has no DNA. B. The cell is missing a functional G-protein or adenylyl cyclase. C. All of the epinephrine receptors are on the cell’s surface. (They’re supposed to be in the cytoplasm!) D. Both A and C.arrow_forward
- Which of the following receptor signaling pathways require that the growth factor/activator physically cross the plasma membrane? multiple answers A. Epidermal Growth Factor Receptor B. TGF-Beta Receptor C. WNT D. Estrogen Receptor E. Alpha1/Beta1 Integrinsarrow_forwardThe action of steroid hormones is different from that of peptide hormones becausea. peptide hormones must enter the cell to begin action, whereas steroid hormones must begin action on the external surface of the cell membrane.b. steroid hormones must enter the cell to begin action, whereas peptide hormones must begin action on the external surface of the cell membrane.c. peptide hormones produce a hormone receptor complex that works directly on the DNA, whereas steroid hormones cause the release of a secondary messenger that triggers enzymes.d. None of these answers is correct.arrow_forwarda universal feature of cell signaling receptors is that they? a. undergo a structural (shape) change when the signal molecule is bound b. are present only in the plasma membrane c. are only ion channels d. are protein kinases e. aer only nuclear receptorsarrow_forward
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