EBK HUMAN BIOLOGY
11th Edition
ISBN: 8220100545931
Author: MCMILLAN
Publisher: Cengage Learning US
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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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______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 exert their cell signaling ability proteteolysis of other proteins? multiple answers
A.
RAS
B.
Epidermal Growth factor
C.
Notch Receptor
D.
TGF-Beta Receptor
E.
Estrogen Receptor
Chapter 15 Solutions
EBK HUMAN BIOLOGY
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_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_forwardDifferent 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_forward
- chemical messengers that are synthesized in response to a local stimulus and diffuse to neighboring target cells are a. autocrine b. paracrine c. neurotransmitters d. hormonesarrow_forwardCell 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_forward
- A 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_____ is not stimulated by cAMP. A. Phosphofructokinase B. Protein kinase A C. Muscle phosphorylase D. Epinephrine E. Brain phosphorylasearrow_forwardWhich 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_forward
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