Genes for the resistance to antibiotics are usually located _____.
A.) on plasmids
B.) on the main chromosome
C.) in mitochondria
D.) in eukaryotic cells
E.) on the outside of the cell wall
Ans: A.) on plasmids
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The embedded peptides in MHC proteins are normally derived from breakdown products of cell metabolism
Indicate whether the statement is true or false.
What distinguishing feature characterizes aerobic and anaerobic respiration but does not play a role in fermentation pathways?
A. The absence of O2 B. Oxidation-reduction reactions C. Hydrolysis reactions D. The presence of an electron transport chain
Each chromosome contains a constricted region called a(n) ____________________ where sister chromatids attach
Fill in the blank(s) with correct word
Vitamin K is produced in the intestine by
a. Escherichia coli. b. Staphylococcus aureus. c. Streptococcus pyogenes. d. Bacillus subtilis. e. Helicobacter pylori.