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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Students have asked these similar questions
______are signaling molecules that travel through the blood and affect distant cells in the same individual. a. Hormones c. Pheromones b. Neurotransmitters d. Neuromodulators
Hydrophobic signaling molecules act by
a. binding to plasma proteins
b. starting second messenger systems
c. binding to receptors inside the cell
d. starting action potentials
Which of the following statements is truc
a. Neurotransmitters must bind to a receptor to exert an action on a cell but hormones do not have
to bind to a receptor to exert an action
b. The nervous system effects are longer lasting than the endocrine system
c. The nervous system effects are faster to respond than the endocrine system
d. The nervous system releases neurotransmitters into the bloodstream similar to how the
endocrine system releases hormones into the bloodstream
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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- John is told that he has a hormone receptor problem and his cells are not responsive to hormone stimulation. Which of the following is a possible reason for his problem? Select one: A. He has an ectopic tumor. B. He has hypersensitivity to the hormone. C. He has a receptor that has been overstimulated. D. He has too many receptors for the hormone. E. He has antibodies that block the function of the hormone receptor. O O O Oarrow_forwardTransmitter 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_forwardChoose the best from the below ? Peptide hormones interact with what structures on the surface of a cell? a. receptor proteins d. neurotransmittersb. second messenger systems e. digestive enzymesc. pheromonesarrow_forward
- Which 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 is the correct order of normal transmission of information within a neuron? a. dendrite, axon, cell body b. dendrite, cell body, axon c. cell body, dendrite, axon d. axon, cell body, dendrite In rodents, some testosterone that reaches the brain is converted to __________ . a. estradiol b. androgen c. cortisol d. progesterone Imagine you are a neuroscientist working in a research lab. You have found a new protein that you believe is a new type of dopamine receptor. The receptor comprises a string of amino acids that resemble those of typical G protein-coupled receptors. When you treat these receptors with dopamine, you see an increase in IP3. Through which type of G protein does your new receptor most likely act? a. Golf b. Gs c. Gi d. Gqarrow_forward23. The endocrine system uses hormones that are _______________ traveling via blood or lymph. a. local acting signals b. same cell signals c. neighboring cell signals d. short distance signals e. long distance signalsarrow_forward
- Different cell-types can use the same receptor-type to detect a common hormone, which leads to the abilitiy of that hormone to trigger multiple physiological responses. A. True B. Falsearrow_forward2. When a cell secretes a signaling molecule that binds to receptors onneighboring cells as well as the cell itself, this is called ____________signaling.a. direct intercellular d. paracrineb. contact-dependent e. endocrinec. autocrinearrow_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_forward
- Steroid 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_forwardAn unknown ion is flowing out of a neuron, creating an inhibitory response. This unknown ion must... Multiple choices A. Create an end plate potential B. be negatively charged C. be positively charged D. be highly concentrated outside of the neuron E. Be a result of a metabotropic signaling cascadearrow_forward_____ is not stimulated by cAMP. A. Phosphofructokinase B. Protein kinase A C. Muscle phosphorylase D. Epinephrine E. Brain phosphorylasearrow_forward
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Intro to Cell Signaling; Author: Amoeba Sisters;https://www.youtube.com/watch?v=-dbRterutHY;License: Standard youtube license