Podcast
Questions and Answers
Why is homeostasis important for living organisms?
Why is homeostasis important for living organisms?
- To change internal conditions frequently
- To rely on external conditions for survival
- To ignore internal conditions
- To maintain stable internal conditions (correct)
What is the role of negative feedback loops in maintaining homeostasis?
What is the role of negative feedback loops in maintaining homeostasis?
- To introduce positive feedback loops
- To amplify the disturbances
- To shut off pathways when a certain product is reached (correct)
- To constantly increase the internal disturbances
How does the human body respond to overheating?
How does the human body respond to overheating?
- By inducing shivering and blood vessel constriction
- By sweating and dilating blood vessels in extremities (correct)
- By conserving heat through insulation
- By increasing metabolic rate
Which mechanism does the human body use to regulate glucose levels?
Which mechanism does the human body use to regulate glucose levels?
What happens when an organism's body temperature drops below the optimal level?
What happens when an organism's body temperature drops below the optimal level?
Why do cells need to maintain homeostasis?
Why do cells need to maintain homeostasis?
In what way does homeostasis contribute to an organism's survival?
In what way does homeostasis contribute to an organism's survival?
How does insulin affect blood glucose levels?
How does insulin affect blood glucose levels?
What is the role of glucagon in maintaining blood glucose levels?
What is the role of glucagon in maintaining blood glucose levels?
How does the presence of cholesterol in the cell membrane help maintain homeostasis?
How does the presence of cholesterol in the cell membrane help maintain homeostasis?
Why are aquaporins important for the cell membrane's function?
Why are aquaporins important for the cell membrane's function?
What is the primary function of ion channels in maintaining homeostasis?
What is the primary function of ion channels in maintaining homeostasis?
How does active transport contribute to maintaining ion gradients across the cell membrane?
How does active transport contribute to maintaining ion gradients across the cell membrane?
What role do ligands play in regulating ion channels within the cell membrane?
What role do ligands play in regulating ion channels within the cell membrane?
Why is it important for neurons to have gated ion channels?
Why is it important for neurons to have gated ion channels?
Flashcards are hidden until you start studying
