Which type of media has ingredients that foster the growth of certain bacteria while suppressing the growth of others?
A) defined B) selective C) synthetic D) complex E) differential
Answer: B
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How can an amino acid sequence be used to design a gene-specific hybridization probe?
A) A portion of a polypeptide chain can be synthesized based on the amino acid sequence of the full protein. B) A protein can be purified, it can be digested with proteases that cleave it at specific sites, and one of the peptide fragments can be used as a probe. C) All possible nucleotide sequences that could encode a portion of the polypeptide can be synthesized and used as probes.
“Tardigrada” means
a. tough exoskeleton. b. many proglottids. c. slow walker. d. short digestive system. e. coelom.
Protein spots eluted from a two-dimensional gel analysis can be identified and correlated to specific genes that code for them using ________.
A. Sanger sequencing and computer analysis B. gas chromatography C. mass spectrometry D. None of the choices are correct.
In the absence of oxygen, can cells utilize the electron transport chain?
A. No, oxygen is the primary electron acceptor in electron transport chains in all cell types. B. Yes, in the case that a cell can use a terminal electron acceptor other than oxygen, it can make use of the electron transport chain. C. No, oxygen is a required cofactor for the complexes in the electron transport chain. D. Yes, all cells can make use of the electron transport chain in the absence of oxygen via fermentation.