Plant Viruses Can Be Difficult to Work with Because

question 4

Multiple Choice

Plant viruses can be difficult to work with because

• A) plant viruses often require a break in the plant cell wall to initiate infection.
• B) their study sometimes requires the use of the whole plant.
• C) plants typically grow much slower than bacteria.
• D) All of the above are factors.

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Definitions:

Negative Reinforcement

A behavior modification technique that increases the likelihood of a behavior by removing or avoiding a negative outcome or stimulus.

Undesirable Consequence

Negative outcomes or punishments associated with a specific action or behavior, which function to decrease the likelihood of the behavior reoccurring.

Behaviour

The actions or reactions of a person or object in response to external or internal stimuli.

Positive Reinforcement

A technique used to encourage desired behavior by offering rewards or incentives when the behavior is demonstrated.