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aliina [53]
1 year ago
6

Which of the following is true regarding negative feedback responses?

Biology
1 answer:
Harrizon [31]1 year ago
6 0

Answer:

CORRECT (SELECTED)

Positive feedback amplifies signals and negative feedback opposes signals.

Explanation:

Positive feedback loops amplify a starting signal while negative feedback loops act to oppose the triggering stimulus.

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are there other tests that could be used to determine if cyclohexanol is present in your product? give at least one test with so
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One of the many tests that may be used to identify the presence of cyclohexanol in a product is that of the Lucas test.

The Lucas test is a chemical reactant test to determine the presence and level of alcoholism in a solution.  Cyclohexanol has many chemical properties as do most substances, one of which is the presence of an alcohol group.

The presence of this chemical group makes it possible to test for cyclohexanol using the Lucas test. The Lucas test will cause reactions in the presence of alcohol and transform alcohols into chloroalkanes, which tend to be nearly insoluble in aquatic solutions. Given this, a <u>positive result </u>will look like <em><u>the solution separates into a cloudy chloroalkane-containing part on top of a much clearer layer.</u></em>

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3 years ago
In a far-off galaxy, an astronomer observes a moon orbiting a planet. The moon stays in orbit because of the planet’s gravity.
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Answer:Decreasing the distance between the moon and the planet

Explanation:

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Which of the following are part of the body’s first line of defense against pathogens?
Fed [463]

The answer is "D"

The body's first line of defense is also known as Innate immunity and incudes mucous membranes. Both the intact skin and mucous membranes of the body offer a high degree of protection against pathogens.

 A good example is the mucous membrane of the respiratory tract. It is lined up with cilia and covered with mucus. The coordinated beating of the cilia drives the mucus up to the nose and mouth where the trapped bacteria can be expelled.

(Lymph nodes and white blood cells belong to the second line of defense, not the first) 

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