A Cell Is Observed Under the Microscope

question 38

Multiple Choice

A cell is observed under the microscope.What feature will indicate that it is in anaphase?

• A)DNA is elongated, not condensed, and difficult to visualize.
• B)Two separate nuclear membranes are visible.
• C)Centrosomes are just beginning to separate and form the spindle.
• D)Sister chromatids are separating.

---

Definitions:

Conditioned Emotional Response

An emotional reaction acquired through classical conditioning, where a previously neutral stimulus is paired with an emotionally charged stimulus.

Conditioned Stimulus

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

Little Albert

An early 20th-century experiment by John B. Watson and Rosalie Rayner, demonstrating classical conditioning in a young child.

White Rat

Commonly used in psychological experiments, particularly in the study of behavior, learning, and conditioning; often associated with B.F. Skinner's work.