If Reasonably Pure Preparations of Virus Are Available,the Number of Virus

question 46

Multiple Choice

If reasonably pure preparations of virus are available,the number of virus present may be determined by

• A)photocolorimetry.
• B)gas chromatography.
• C)light microscopy.
• D)electron microscopy.

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Definitions:

Oral Stage

A phase in Freud's psychosexual development theory occurring from birth to about 18 months, where an infant's pleasure centers on the mouth.

Defense Mechanisms

Unconscious psychological strategies brought into play by the mind to manipulate, deny, or distort reality in order to defend against feelings of anxiety and unacceptable impulses.

Ego

In psychoanalytic theory, the part of the mind that mediates between the conscious and the unconscious and is responsible for reality testing and a sense of personal identity.

Anxiety

An emotion of anxiety or tension, characteristically over an event that is about to happen or whose result is indeterminate.