During cellular respiration in eukaryotic cells, glucose is broken down into carbon dioxide and water molecules. What energy source is produced during this process of breaking down the glucose molecules?
A) carbon dioxide
B) acetyl CoA
C) NAD+
D) ATP
Ans: D) ATP
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The very first DNA sequencing technology called the Sanger method relies on
A) nanopore technology that separates DNA molecules based on charge differences. B) the incorporation of dideoxynucleotides that terminate chain extension during DNA synthesis. C) nuclear magnetic resonance (NMR) analysis. D) the release of protons whenever a new nucleotide is added to a growing strand of DNA.
____-producing neuroglial cells that associate with most vertebrate neurons speed conduction of action potentials
a. Sodium b. Potassium c. Neurotransmitter d. Connective tissue e. Myelin
What is the most appropriate unit of measurement for macromolecular complexes including ribosomes and microfilaments?
A) centimeters B) angstroms C) micrometers D) nanometers E) picometers
To say that an enzyme has been denatured means that
A) the enzyme is working at an optimal temperature. B) an inhibitor has bound the enzyme at the active site. C) the enzyme is working at its maximal rate. D) its three-dimensional structure has changed and the enzyme can no longer function properly.