Biology, 05.10.2019 00:10 autumnguidry7628
Rna and proteins combine in cells to form structures called ribosomes. ribosomes contain the enzyme active site for peptide bond formation. based on their chemical structures, do you think protein or rna molecules actually form the active site within the ribosome?
a) it could be either, because both molecules have catalytic properties.
b) protein, because only proteins can catalyze a reaction that involves another protein
c) rna, because proteins cannot catalyze a reaction that involves another protein
d) protein, because rna cannot catalyze reactions
Answers: 2
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How can an organ, such as the lungs, work for multiple body systems?
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Molecules like glucose and amino acids are not lipid soluble, so cannot cross the cell membrane by simple diffusion. instead, they are shuttled across by carrier proteins in the membrane from high to low concentration. does this process require energy from the cell? this is an example of what type of molecular movement?
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Agram of fat oxidized by cellular respiration produces approximately as much atp as a gram of carbohydrate.
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Rna and proteins combine in cells to form structures called ribosomes. ribosomes contain the enzyme...
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