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Artemon [7]
3 years ago
10

Marshal borrowed which of these concepts from the marginalists?

Biology
1 answer:
Sphinxa [80]3 years ago
4 0
Alfred Marshal was one of the most influential economists of his time and the author of the Principles of Economics book which was the principal economic textbook in England for long years. During his economic theory development, he borrowed a concept from the marginalists which is the theory of demand and the collective result of buyers who yearns services and products or the concept of scarcity.



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Immunoglobulins that attach to and sensitize mast cells and basophils are
Ugo [173]

Answer:

IgE

Explanation:

Immunoglobulins can be described as antibodies that are found in blood and other bodily fluids of humans and other vertebrate animals. And their major function is that they help identify and destroy foreign substances such as microbes such as bacteria and protozoan parasites.

They are known to be produced by produced by plasma cells (white blood cells).

Immunoglobulins are classified into five categories: IgA, IgD, IgE, IgG and IgM. And are distinguished by the type of heavy chain they contain. IgG molecules possess heavy chains known as γ-chains; IgMs have μ-chains; IgAs have α-chains; IgEs have ε-chains; and IgDs have δ-chains.

In this case, IgE is the immunoglobulin that attach to and sensitize mast cells and basophils.

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3 years ago
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vovangra [49]

Answer: C. Proteins

Explanation:

3 0
3 years ago
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A student states that exercise will affect the number of times a person can squeeze a clothespin in a certain amount of time. An
Zarrin [17]

Answer:

EXERCISE

Explanation:

In an experiment, the independent variable is the variable that the experimenter changes or manipulates in order to bring about a measurable outcome.

In this case, an experiment is carried out to test the hypothesis that "exercise will affect the number of times a person can squeeze a clothespin in a certain amount of time". The experiment contained two groups (one group sits quietly before squeezing a clothespin as many times as possible and the other does 25 JUMPING JACKS before squeezing a clothespin as many times as possible).

The independent variable is the EXERCISE (jumping jacks) that was changed for each group in the experiment.

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3 years ago
Both plant and animal cells have a chloroplast. <br> a. True <br> b. False
denpristay [2]

Answer:

False

Explanation:

Only plants have chloroplast.

6 0
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What major changes to farming made it difficult for average farmers to compete with large agricultural corporations during the 1
patriot [66]

Answer:

The answer includes all of the options.

Explanation:

Some of the major changes that happened in agriculture during the 1920s include the use of electrical tools and vehicles and chemical fertilizers. These changes along with their low availability to the average farmers made it harder for them to compete with agricultural corporations who could use these advanced methods easily. Hybrid seeds were also used by corporations to get increase the yield of the fields. The answer includes all of the options.

I hope this answer helps.

5 0
3 years ago
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