We can be sure that a mole of table sugar and a mole of vitamin C are equal in their
A) mass.
B) volume.
C) number of atoms.
D) number of molecules.
Ans: D) number of molecules.
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Proteobacteria members thrive in soils and occur at high concentrations as well. Other bacterial taxa are considered much less diverse in terms of their metabolic capabilities
Due to the role isolation has in discovering metabolic pathways, consider how obtaining hundreds of new isolates from a less studied phylum might change our views on metabolic diversity. Predict how the results of discovering another highly metabolically diverse group might be handled in terms of taxonomic assignment. What will be an ideal response?
A typical bacterial cell is approximately the same size as which of the following?
a. a protein b. a frog egg c. a mitochondrion d. a plant cell
The primary germ layers include all of following EXCEPT
a. endoderm b. ectoderm c. mesoderm d. morphogerm e. all of the above ARE primary germ layers
Some pathogens have developed mechanisms for responding to the innate phagocytic response. The mechanisms include ALL of the following EXCEPT
a. the ability to grow and persist in phagocytes. b. producing leukocidins that kill phagocytes. c. producing PAMPs (pathogen-associated molecular patterns) on the cell surface. d. making a capsule to prevent adherence of a phagocyte.