During a high-energy athletic event, such as a sprint, most of the energy that is provided to the muscles comes from a. glycolysis. b. the electron transport chain. c. the krebs cycle. d. fermentation. (correct answer is b just took

Match the following terms describing electrical events with the correct phases of the cardiac cycle. the ventricular muscle cells depolarize at the start of this phase. during this phase, na+ entry through the funny channels causes the pacemaker potential of sa nodal cells to gradually become less negative until it reaches threshold. the ventricular muscle cells repolarize right before this phase. the cytosolic concentration of calcium in the contractile cells of the ventricle is highest during this phase. a. isovolumetric relaxation b. ventricular ejection c. isovolumetric contraction d. ventricular filling

Which of these is most likely to happen if parallax measurements of star distances are taken after a gap of six months? the results would be accurate the results would be inconsistent the results would not be valid the results would not be repeated

If jane has the blood type ab and marries john who has type o blood what are the possible phenotypes of their first kid?