That carton of milk has been sitting in the refrigerator for several weeks, and everyone in your house has been complaining about it–it is full of bacteria! Predict what will happen to those bacteria as time goes on
What will be an ideal response?
The population of microorganisms increases in a J-shaped curve at first, but as the food reserves decline and the wastes build up, the population levels off, according to the text.
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In higher eukaryotes, most aerobically generated ATP is produced by
A. a membrane-bound proton translocating ATP synthase during oxidative phosphorylation. B. the TCA cycle. C. glycolysis. D. all of these generate equal amounts of ATP.
The helix structure on the right of the above figure
represents a. DNA. b. RNA. c. lipid. d. protein. e. phospholipid.
Following peptide bond formation between the amino acid in the A site on the ribosome and the
growing polypeptide chain, the tRNA in the A site:a. releases the growing polypeptide chain. b. picks up another amino acid to add to the chain. c. moves to the P site of the ribosome. d. forms a peptide bond with A site of the ribosome. e. forms a covalent bond with the P site of the ribosome
An isotope is an atom of an element that varies in mass number due to variation in the number of
A. atoms. B. protons. C. neutrons. D. electrons.