Erythrocytes (RBCs)are Flexible Biconcave Disks Without Nuclei Whose Primary Component

question 6

Multiple Choice

Erythrocytes (RBCs) are flexible biconcave disks without nuclei whose primary component is an oxygen-carrying molecule called

• A) erythropoietin.
• B) a reticulocyte.
• C) hemoglobin.
• D) 2,3-DPG

---

Definitions:

Confederates

Individuals who act as part of a study's procedure but are secretly working with the researchers, often used in psychological experiments to manipulate social situations.

Staged Manipulation

The deliberate modification or control of variables in an experiment to investigate their effects on other variables.

Extraneous Variables

Outside factors that could influence the outcome of an experiment, potentially confounding the results.

Physiological State

The condition or state of the body or bodily functions at a particular time, including aspects like heart rate, hormone levels, or neural activity.