Restriction Endonucleases Cut DNA at Specific Sites

question 6

Multiple Choice

Restriction endonucleases cut DNA at specific sites. How many different patterns can be formed by a four-base sequence combination of any four bases?

• A) 64
• B) 256
• C) 16
• D) 1024
• E) 4096

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Definitions:

Classical Conditioning

Classical conditioning is a learning process that occurs through associations between an environmental stimulus and a naturally occurring stimulus, famously demonstrated by Pavlov's dogs experiment.

Conditioned Stimulus

A previously neutral stimulus that, after being repeatedly paired with an unconditioned stimulus, elicits a conditioned response.

Red Flowers

Refers to flowering plants that produce blossoms with red pigmentation, often attracting pollinators like birds and bees through their color.

Fear

An emotional response to a perceived threat or danger, often resulting in a desire to flee or fight.