Examlex
Which of the following molecules is synthesized using nucleotides containing the bases adenine, guanine, cytosine, and uracil?
Mitochondria
Organelles within cells that are known as the "powerhouses," generating most of the cell's supply of adenosine triphosphate (ATP) used as a source of chemical energy.
Isovolumetric Contraction
Isovolumetric Contraction is a phase in the cardiac cycle where the heart's muscle contracts without changing the volume of blood within the ventricles, increasing the pressure.
Period of Ejection
The phase of the cardiac cycle during which blood is pumped out of the ventricles and into the arteries.
AV Node Depolarization
The process wherein the atrioventricular node undergoes a change in charge distribution, leading to the transmission of electrical impulses from the atria to the ventricles in the heart.
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