What Is the Difference Between "Free" and "Attached" Ribosomes

question 41

Multiple Choice

What is the difference between "free" and "attached" ribosomes?

• A)Free ribosomes occur in the cytoplasm, whereas attached ribosomes are found on the endoplasmic reticulum.
• B)Free ribosomes produce proteins, whereas attached ribosomes produce carbohydrates.
• C)Free ribosomes produce proteins that are exported from the cell, while attached ribosomes make proteins for mitochondria and chloroplasts.
• D)Free ribosomes are readily "used up" by the cell and are replaced frequently, whereas attached ribosomes remain functional for the lifetime of the cell.

Identify the role of solvents, solutes, and solutions in chemical reactions.

Analyze the structure and properties of organic and inorganic molecules.

Relate the structure of molecules to their function and behavior in biological systems.

Understand the significance of water in biological systems and its unique properties that support life.

---

Definitions:

Stress Hormones

Chemicals released in the body in response to stress, such as cortisol and adrenaline, which prepare the body to confront or flee from perceived threats.

Serotonin

A neurotransmitter that plays a key role in stabilizing mood, feelings of well-being, and happiness.

Glucose

The form of sugar that circulates in the blood and provides the major source of energy for body tissues. When its level is low, we feel hunger.

Epinephrine

A hormone and neurotransmitter also known as adrenaline, involved in regulating heart rate, blood vessel and air passage diameters, and metabolic shifts; plays a key role in the 'fight or flight' response.