Describe the action of insulin for the control of blood glucose concentration
Insulin is made in the beta cells of the pancreas. They act on receptors on the target cells. This controls the uptake of glucose in the target cells by regulating the inclusion of channel proteins on the target cell's surface membranes.Insulin also activates the enzymes that convert glucose to glycogen
Related Biology A Level answers
All answers ▸Describe the process that allows an action potential to be passed across a synapse in the parasympathetic nervous system.
Why is the oxygen saturation curve of haemoglobin sigmoidal?
Describe the control of the menstrual cycle by the hormones FSH, LH, Oestrogen and Progesterone, in the situation where the person does not become pregnant. You may use a diagram to show how their levels change throughout the cycle.
Cystic fibrosis is an autosomal recessive condition. In a population, 0.04% of individuals have the disease. Use the Hardy-Weinberg equation to calculate the number of carriers of cystic fibrosis.