NCAMs,a Group of Cell-Adhesion Proteins Belonging to the Ig Superfamily

question 2

Multiple Choice

NCAMs,a group of cell-adhesion proteins belonging to the Ig superfamily:

• A)are more heavily sialylated in embryonic tissues than in adult tissues.
• B)bind to proteoglycans.
• C)mediate Ca²⁺-dependent cell-to-cell binding.
• D)all of the above

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Definitions:

Variable Interval Schedule

A reinforcement schedule in operant conditioning where a response is rewarded after an unpredictable amount of time has passed.

Fixed Interval Schedule

A reinforcement schedule in operant conditioning where rewards are delivered at fixed intervals of time, provided the appropriate response is made.

Intermittent Reinforcement

A conditioning schedule where a response is only sometimes rewarded, leading to more resilient behavior compared to continuous reinforcement.

Continuous Reinforcement

A reinforcement schedule in which a reward follows every correct response, aiding in the rapid learning of a behavior.