What Do Viruses, Viroids, and Prions All Have in Common

question 63

Multiple Choice

What do viruses, viroids, and prions all have in common?

• A) They contain only RNA.
• B) They are acellular agents of disease.
• C) They contain only DNA.
• D) They infect only animals.
• E) They cause neurodegenerative diseases.

Understand the role of viruses in medicine and distinguish between prokaryotic and eukaryotic organisms using microscopy.

Design experiments to explore microbial gene functions, biofilms, and their implications in medical and environmental contexts.

Understand the distinct characteristics that differentiate prokaryotes from eukaryotes.

Recognize the role and significance of peptidoglycan in bacteria.

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Definitions:

Fixed Ratio

A schedule of reinforcement where a response is rewarded only after a specified number of responses.

Fixed Interval

A reinforcement schedule that rewards the first response after a set period has passed.

Variable Ratio

A reinforcement schedule used in operant conditioning that rewards a response after an unpredictable number of responses, leading to high and steady rates of responding.

Fixed Interval

A schedule of reinforcement where the first response is rewarded only after a specified amount of time has elapsed.