Control of blood glucose concentration Quiz
Studying this course? Keep your progress in one place.
Pick an answer for each. Quizzes never use energy.
5 questions, one answer each
Each answer is checked as you go, with why.
See all 5 questions
1. Which sequence correctly describes the action of glucagon on a liver cell?
- A. Adenylate cyclase, then cAMP, then protein kinase, then enzymes that convert glycogen to glucose
- B. cAMP, then adenylate cyclase, then protein kinase, then glycogen synthesis
- C. Protein kinase, then adenylate cyclase, then cAMP, then glucose uptake
- D. Receptor, then insulin, then cAMP, then glycogenesis
2. What is the role of insulin at a target cell?
- A. It enters the cell and is converted to glycogen
- B. It binds to receptors, increasing glucose channel proteins in the membrane and activating enzymes that form glycogen
- C. It breaks down glycogen
- D. It makes cAMP from ATP in the blood
3. Which statement about type II diabetes is correct?
- A. It is caused by destruction of the cells that secrete insulin
- B. It is always treated with insulin injections
- C. Target cells become less responsive to insulin
- D. It is not linked to diet
4. In a calibration curve, absorbance falls by 0.60 per 1.0 mmol dm⁻³ glucose from 0.80 at zero. A sample diluted 1 in 5 reads 0.20. What is the concentration in the undiluted sample?
- A. 1.0 mmol dm⁻³
- B. 0.5 mmol dm⁻³
- C. 10 mmol dm⁻³
- D. 5.0 mmol dm⁻³
5. Which of these is the production of glucose from glycerol and amino acids?
- A. Glycogenesis
- B. Gluconeogenesis
- C. Glycogenolysis
- D. Glycolysis