The molten globule model of protein folding suggests:
A. hydrogen bonding of secondary structures drives folding.
B. translation of the polypeptide is complete before folding begins.
C. each domain of a polypeptide folds independently.
D. intermediates of increasing free energy are created.
E. hydrophobic residues coalesce to form intermediate structures.
E
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Pasteurization is used to
A. sterilize beverages. B. retard spoilage. C. kill any pathogens present. D. kill any pathogens present and retard spoilage.
In viral infections involving double-stranded DNA viruses, all of the viral genes are usually expressed prior to the replication of viral nucleic acid.
Answer the following statement true (T) or false (F)
Jose is observing cells under a microscope. If he saw a cell going through anaphase, what would he observe?
A) DNA and protein condensing into chromosomes B) the sister chromatids moving to opposite poles of the cell C) chromosomes lining up in the center of the cell D) nuclear membranes start to form and two daughter cells become distinguishable
Which of the following antimicrobial agents is the most toxic to humans?
A) 70% alcohol B) ethylene oxide C) quaternary ammonium compounds D) chloramines E) iodophors