9700 · topic questions
Homeostasis in mammals
12 past-paper questions on Homeostasis in mammals
With reference to Fig. 7.1, explain how negative feedback operates to control mean blood glucose concentration in the volunteers…
Blood glucose concentration is maintained around a set point by homeostasis. Explain the principles of homeostasis.
Suggest explanations for the changes in mean blood glucose concentration of the volunteers who ate meal B.
The glomerulus and Bowman's capsule of the nephron are important in the formation of urine. Outline the role of the glomerulus…
Identify the regions of the nephron represented by P, Q and R.
Glycogen synthase catalyses the conversion of glucose to glycogen in liver cells. The production of glycogen synthase is coded…
Homeostatic control of the water potential of blood includes receptors, effectors and target cells. Identify the names and…
As the newly formed glomerular filtrate passes along the proximal convoluted tubule, selective reabsorption takes place. The…
With reference to Table 6.1, suggest what the different values of U: P show about the ability of these mammal species to tolerate…
Outline how and where the excretory product urea is made in the body.
Sweating during exercise can lead to a response in the posterior pituitary gland and in the kidney. State the response to…
The glomerular filtrate is produced in the Bowman's capsule by the process of ultrafiltration. State the conditions required for…
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