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Garrett B.
Tutor for 8 years
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Psychology
TutorMe
Question:

A 2 year old child is afraid of nurses in white uniforms. When his grandmother comes to visit him wearing a white jacket, he begins to cry. What is this an example of?

Garrett B.
Answer:

This behavior is an example of stimulus generalization. In this example, it occurs when a new conditioned stimulus (the grandmother's white jacket) that resembles the original conditioned stimulus (the nurse's white uniform) results in the conditioned response (crying when he sees his grandmother).

Biochemistry
TutorMe
Question:

What are enzyme cofactors?

Garrett B.
Answer:

Some enzymes need other associated molecules to work. These molecules are called enzyme cofactors and they can be organic ions like mineral salts, or organic molecules, to give some examples.Inactive enzymes which are not bound to their cofactors are called apoenzymes. Active enzymes bound to their cofactors are called holoenzymes.

Biology
TutorMe
Question:

What are the different types of leukocytes and how are they classified into granulocytes and agranulocytes?

Garrett B.
Answer:

The types of leukocytes are lymphocytes, monocytes, neutrophils, eosinophils and basophils. Granulocytes are those with a cytoplasm that contains granules (when viewed under electron microscopy): neutrophils, eosinophils and basophils are granulocytes. Agranulocytes are the other leukocytes: lymphocytes and monocytes.

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