Which Eukaryotic Cell Structure Is Only Present in Plant Cells

question 16

Multiple Choice

Which eukaryotic cell structure is only present in plant cells: ________.

• A) central vacuole
• B) mitochondrion
• C) SER
• D) golgi apparatus

---

Definitions:

Conditioned Stimulus (CS)

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

Unconditioned Response (UR)

An unlearned reaction that is automatically elicited by the unconditioned stimulus.

Unconditioned Stimulus (US)

An unconditioned stimulus is any stimulus that naturally triggers a reflexive response without the need for prior learning.

Operant Conditioning

A learning process through which the strength of a behavior is modified by reinforcement or punishment.