Q: Q: What is the name of the mechanism in which sounds are encoded in microwaves by changing their frequency? Choices: - molecular modulation - shape modulation - mechanical modulation - frequency modulation A:
A: frequency modulation

Q: Q: The biological electron transport chain provides for an orderly, stepwise transfer of electrons. both nadh (reduced nicotinamide adenine dinucleotide) and fadh2 (reduced flavin adenine dinucleotide) are energy rich molecules that liberate a large amount of energy during what? Choices: - extrapolation - conduction - evaporation - oxidation A:
A: oxidation

Q: Q: The cytoplasm divides during what process? Choices: - metamorphosis - osmosis - genesys - cytokinesis A:
A: cytokinesis

Q: Q: Unlike the cells of plants and fungi, animal cells lack what? Choices: - mitochondria - flagella - nuclei - cell wall A:
A: cell wall