Homeostasis and Physiology Quiz

What is the primary function of the cell membrane?

• Energy production

• Cellular respiration

• Separation of the organism from the outside world

• Protein synthesis

Which system provides a quick response to changes in the body?

• Digestive system

• Nervous system

• Muscular system

• Endocrine system

What is the primary energy currency used in cellular respiration?

• Glucose

• ATP

• NADH

• FADH2

Which of the following is NOT a basic biological need of humans?

• Oxygen

• Nutrients

• Light

• Water

What type of feedback mechanism increases the intensity of a condition?

• Homeostatic feedback

• Negative feedback

• Positive feedback

• Regulatory feedback

Which of the following is a function of the plasma membrane?

• Energy production

• Protein synthesis

• Cell division

• Transport of ions and molecules

What is the process called when water moves from an area of low solute concentration to an area of high solute concentration?

• Filtration

• Osmosis

• Active transport

• Diffusion

Which of the following is a characteristic of active transport?

• Involves diffusion

• Moves substances against their concentration gradient

• Moves substances down their concentration gradient

• Requires no energy

What is the role of glycoproteins on the cell membrane?

• Cell division

• Protein synthesis

• Cell recognition and signaling

• Energy storage

Which nutrient is primarily structural and for signaling?

• Carbohydrates

• Vitamins

• Proteins

• Fats