Scientists at a Major University Have Isolated a Chemical from Grapes.Which

question 21

Multiple Choice

Scientists at a major university have isolated a chemical from grapes.Which of the following features is an indication that this chemical could be a vitamin?

• A)When large amounts of the chemical are consumed,no health problems occur.
• B)When a person's diet lacks the chemical,his or her body experiences abnormal functioning.
• C)The chemical is in grapes,cherries,and tomatoes.
• D)The chemical has a very limited range of safe intake.

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Definitions:

Emphysema

Disorder of the respiratory system, specifically the lungs, that is characterized by damage to the alveoli, thus reducing the ability to exchange gases with the external environment.

Mycobacterium

A genus of bacteria known for causing diseases such as tuberculosis and leprosy in humans.

Tubercles

Small, rounded projections found on various parts of plants or animals, often serving as sites for muscle attachment or other functions.

Laryngitis

Inflammation of the larynx, usually resulting in an inability or difficulty in speaking.