Podcast
Questions and Answers
What is the main role of the cell membrane in maintaining homeostasis?
What is the main role of the cell membrane in maintaining homeostasis?
- Regulation of the passage of materials into and out of the cell (correct)
- Maintenance of electrochemical gradients
- Production of insulin and glucagon
- Synthesis of glucose
How does the presence of cholesterol in the cell membrane contribute to homeostasis?
How does the presence of cholesterol in the cell membrane contribute to homeostasis?
- It regulates the flow of ions
- It promotes the synthesis of insulin
- It helps keep the membrane fluid, allowing materials to move across (correct)
- It initiates the breakdown of glycogen
What is the process of water moving from a high concentration to a low concentration across the cell membrane called?
What is the process of water moving from a high concentration to a low concentration across the cell membrane called?
- Endocytosis
- Active transport
- Exocytosis
- Osmosis (correct)
How does the cell membrane regulate the flow of ions into and out of the cell?
How does the cell membrane regulate the flow of ions into and out of the cell?
What is the main function of aquaporins in the cell membrane?
What is the main function of aquaporins in the cell membrane?
How does the cell maintain high concentrations of potassium ions inside the cell?
How does the cell maintain high concentrations of potassium ions inside the cell?
What is the primary role of the phospholipid bilayer in the cell membrane?
What is the primary role of the phospholipid bilayer in the cell membrane?
How do proteins in the cell membrane contribute to homeostasis?
How do proteins in the cell membrane contribute to homeostasis?
How is homeostasis maintained in living systems?
How is homeostasis maintained in living systems?
What happens when the body temperature of humans exceeds the optimal level of 98.6 degrees Fahrenheit?
What happens when the body temperature of humans exceeds the optimal level of 98.6 degrees Fahrenheit?
What triggers the release of insulin in the body to maintain glucose homeostasis?
What triggers the release of insulin in the body to maintain glucose homeostasis?
What is the role of negative feedback loops in maintaining stable internal conditions?
What is the role of negative feedback loops in maintaining stable internal conditions?
Which of the following is an example of homeostasis in living organisms?
Which of the following is an example of homeostasis in living organisms?
What is the optimal body temperature for humans?
What is the optimal body temperature for humans?
How do negative feedback loops help to keep the body at the optimal temperature?
How do negative feedback loops help to keep the body at the optimal temperature?
How is homeostasis maintained in cells?
How is homeostasis maintained in cells?
What is the optimal body temperature for humans?
What is the optimal body temperature for humans?
Which mechanism is activated when the body temperature of humans goes above the optimal level?
Which mechanism is activated when the body temperature of humans goes above the optimal level?
What triggers the pancreas to release insulin in the context of glucose homeostasis?
What triggers the pancreas to release insulin in the context of glucose homeostasis?
What is the purpose of negative feedback loops in maintaining homeostasis?
What is the purpose of negative feedback loops in maintaining homeostasis?
What are some examples of homeostasis mentioned in the text?
What are some examples of homeostasis mentioned in the text?
What are the conditions maintained by living systems through homeostasis?
What are the conditions maintained by living systems through homeostasis?
