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What is the major difference between positive and negative feedback?
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(Choice A)
A
Positive feedback results from temperature increases, while negative feedback results from temperature decreases.
(Choice B)
B
Positive feedback stimulates body systems, while negative feedback shuts down body systems.
(Choice C)
C
Positive feedback causes responses to continue, while negative feedback causes responses to start or stop.
(Choice D)
D
Positive feedback is controlled by external factors, while negative feedback is controlled by internal factors.
Answers: 3
Biology, 21.06.2019 20:00
With the description of the different cell walls, membranes, and associated proteins set in the students' minds, you now need to introduce them to the idea that the cell wall can also act as a foundation to build things upon. bacterial appendages require a strong foundation that will offer the support needed to move and function in a dynamic world. for example, flagella are long, whiplike protein structures that are used by many gram-positive and gram-negative bacteria for locomotion. in order to function effectively, a flagellum must be firmly anchored to the cell wall. how will you be able to get across the idea that the peptidoglycan cell wall is strong enough to support such a mechanism? with a protein rod that passes through the cell wall and protein rings used to anchor it in the membranes, these basal bodies are the rudimentary biological motors that use atp power to spin the hook and the flagella attached to it. bacterial flagella have a biological motor that spins within the cell wall and is powered by atp. this allows the flagella to spin in a whiplike motion to propel the bacterium.
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Biology, 22.06.2019 11:00
If a grape were placed in a hypertonic solution what would happen and why?
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Biology, 22.06.2019 11:00
4. if a cell is placed inside a solution that has a higher concentration of solute than on the inside of the cell, what can be said about the movement of water? a. water will move out of the cell, causing it to shrivel. b. water will move in and out of the cell at the same rate. c. water will move out of the cell, causing it to swell. d. water will move into the cell, causing it to swell.
Answers: 2
Biology, 22.06.2019 11:00
Why did the federal government end its support of yucca mountain as a site for long-term storage of nuclear water
Answers: 1
What is the major difference between positive and negative feedback?
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