In pavlov’s original studies, the unconditioned stimulus was ____.

1 answer:

4 0

In Pavlov's original studies on classical conditioning, he used dogs as the subject of his experiment. The unconditioned stimulus was the <u>bowl of food</u> that he presented to the dog while the unconditioned response was the dog salivated in its excitement to see the food.

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Plants use carbohydrates to build things such as cellulose. How do plants acquire these building blocks to build mass?

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<span>In order to obtain the building blocks for larger carbohydrates, such as cellulose and starch, plants rely on photosynthesis to produce a smaller carbohydrate, glucose. During the process of photosynthesis, atmospheric carbon dioxide and water are combined in the presence of light to produce glucose and oxygen. This glucose is then polyemerized in order to create larger, more complex carbohydrates such as cellulose.</span>

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Chlorophyll is a green pigment found in chloroplast in plants. It absorbs sunlight during the process of photosynthesis. It is a chelate molecule. In a chelate molecule a central metal ion forms bonds with a large organic molecule made of carbon, hydrogen and other elements like nitrogen or oxygen.

In chlorophyll, magnesium is the central metal ion and it is bonded to a large organic molecule called as porphyrin. Porphyrin constitutes four nitrogen atoms to which the central magnesium is bonded in square planar arrangement. Since chlorophyll is responsible for the green color of the leaves, more the green color more the chlorophyll content and more is the nitrogen content. Hence, chlorophyll meter measures this green light and finds out if the plant needs more or less nitrogen.

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Which term names the unchecked reproduction of a population? A. sustained growth B. rapid growth C. exponential growth D. carryi

Dmitriy789 [7]

Answer:

just took test answer is exponential growth

Explanation:

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In an experiment examining the effect of leptin on the hunger of rats, rats in the __________ group are given leptin shots and r

slavikrds [6]

Answer:

Experimental,Control

Explanation:

In an experiment, there are usually two groups that are taken and one is compared to another.
One group is the experimental group and the other group is the control group.
An experimental group is the one that receives the test sample or undergoes the experimental procedure and thus, the independent variable that is being tested for is changed for this group.
A control group is the one that does not undergo any experimental testing and hence, the independent variable is kept constant for this group.
Based on the above information it can be concluded that in the given experiment the rats that receiving leptin are the experimental group whereas those that do not receive anything are the control group.

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The name of the light that is made up of tiny bundles of energy is called Photons
The answer is B

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