Which of the Following Was a Major Development in 1931

question 25

Multiple Choice

Which of the following was a major development in 1931 that helped in the production of antiviral vaccines?

• A) The invention of the Petri dish.
• B) The ability to grow viruses in chicken eggs.
• C) The development of the agar based culture system.
• D) The invention of the electron microscope.
• E) The development of primary cell culture systems.

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Definitions:

Divorce

The legal dissolution of a marriage by a court or other competent body, ending the legal partnership between two individuals.

Unhappy Marriage

A state of marriage where partners experience persistent dissatisfaction and conflict, often leading to emotional distress.

Heterosexual Relationships

Relationships involving two people of opposite genders.

Homosexual Relationships

Romantic and sexual unions between individuals of the same sex.