Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337670319
Author: STARR
Publisher: Cengage
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Textbook Question
Chapter 31, Problem 15SQ
With negative feedback, detection of a change brings about a response that ______ the change.
- a. reverses
- b. accelerates
- c. has no effect on
- d. mimics
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With negative feedback, detection of a change brings about a response that_____ the change. a. reverses c. has no effect on b. accelerates d. mimics
Which of the following is true of positive feedback?
a. The change is opposite that of negative feedback
b. The effector turns off the response
c. The change is amplified
What is the difference between the answers a & b?
In negative feedback,a. a change causes responses that counteract the change.b. a response to a change damages the body.c. a change produces a response that enhances the change.d. a response to a change permanently alters the body.
Chapter 31 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 31 - Cultured Skin for Healing Wounds Diabetes is a...Ch. 31 - Cultured Skin for Healing Wounds Diabetes is a...Ch. 31 - Cultured Skin for Healing Wounds Diabetes is a...Ch. 31 - ___ tissues are sheetlike with one free surface....Ch. 31 - _______ keep fluid from leaking between cells. a....Ch. 31 - Exocrine glands are specialized ______ tissue. a....Ch. 31 - A rubbery secreted matrix or proteoglycans and...Ch. 31 - Blood cells develop from stem cells in ________....Ch. 31 - Prob. 6SQCh. 31 - Cytoplasmic extensions of _______ send and receive...
Ch. 31 - ______ muscle pulls on bones and _______ muscle...Ch. 31 - Straps or dense, regular connective tissue...Ch. 31 - ______ increase the surface area of some...Ch. 31 - Tears are an _______ secretion released by...Ch. 31 - Cancers most commonly arise in ______ tissue. a....Ch. 31 - The most abundant protein in your body is _______....Ch. 31 - Match each term with the most suitable...Ch. 31 - With negative feedback, detection of a change...Ch. 31 - IPSCs are nearly identical to human embryonic stem...Ch. 31 - Radiation and chemotherapy drugs preferentially...Ch. 31 - Each level of biological organization has emergent...
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- Which of the following is not true for f negative feedback loops? A. In a negative loop, the response to the signal or stimulus decreases the original signal or stimulus. B. Negative feedback loops maintain homeostasis. C. Negative feedback loops are temporary. D. There are many more instances of negative feedback loops in the human body than positive feedback loops.arrow_forwardA) Divergent Process B) Positive Feedback Process C) Negative Feedback Process D) Neutral Processarrow_forwardWhen faced with a sudden drop in environmental temperature, an endothermic animal will _______. a. experience a drop in its body temperature b. wait to see if it goes lower c. increase muscle activity to generate heat d. add fur or fat to increase insulationarrow_forward
- In a negative feedback mechanism,a. the output cancels the input.b. there is a fluctuation above and below the average.c. there is self-regulation.d. a regulatory center communicates with other body parts.e. All of these are correct.arrow_forwardIn response to low sugar levels in the blood, the hormone glucagon is released by the pancreas. In a negative feedback system, the pancreas would represent the _____ of the system. A)response B)sensor C)effector D)stimulusarrow_forwarda positive-feedback system is one in which a. a variable is charged in the opposite direction to the original change that initiated the system b. a variable is changed in the same direction as the original change that initiated the system c. two opposiding variables are played against each other d. the initiating variable is always increasedarrow_forward
- What does negative feedback do? a. It establishes a set point. b. It changes the set point. c. It eliminates the set point. d. It reduces discrepancies from a set point.arrow_forwardSodium and potassium play a key role in the generation of____? A. hormones B. New tissue C. Nerve impulses D. Ionsarrow_forwardThe "cause" for something to happen is called: A. Response B. Effect C. Homeostasis D. Stimulusarrow_forward
- Which of these is an example of negative feedback?a. Air conditioning switches off when room temperature lowers.b. Insulin decreases blood sugar levels after eating a meal.c. Heart rate increases when blood pressure drops.d. All of these are examples of negative feedback.arrow_forwardA deer notices a wolf in the area. What organ is responsible for sending a message to the deer that it needs to move quickly away from danger? A. the lungs B. the heart C. the skeleton D. the brainarrow_forwardLiving things can be distinguished from nonliving things because they havea. complexity. c. cellular organization.b. movement. d. response to a stimulusarrow_forward
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