Glucose is converted into glucose 6-phosphate by hexokinase. Glucose 6-phosphate then serves as the substrate for the enzyme phosphoglucose isomerase, which converts this reactant into fructose 6-phosphate. Fructose 6-phosphate serves as the substrate for phosphofructokinase, which converts fructose 6-phosphate into fructose 1,6-bisphosphate. Based on the information provided, this is an example of what?
A. Feedback inhibition
B. Allosteric regulation
C. A metabolic pathway
D. Enzyme inhibition
C. A metabolic pathway
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In animals, asexual reproduction can involve the budding off of cells which grow by mitosis into a new individual.
Answer the following statement true (T) or false (F)
What is the function of carbonic anhydrase?
a. to speed up the rate at which CO2 binds to hemoglobin b. to speed up the rate at which CO2 binds to O2 c. to speed up the conversion of CO2 and H2O into HCO3- and H+ d. to speed up the conversion of HCO3- and O- into CO2 and H2O
Hybridization regularly occurs between three species of Darwin's finches on Daphne Major, but the finches are still considered different species because
A. they occupy different niches. B. they are mechanically isolated. C. they are reproductively isolated. D. they have different fitnesses.