Biuret reagent will indicate the presence of
(a) peptide bonds.
(b) proteins.
(c) amino acids units linked together.
(d) all of the above.
(d) all of the above.
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Sortase is a protein enzyme of bacteria that
A. directs secretion of proteins across the outer membrane. B. plays a key role in directing proteins to the periplasm. C. catalyzes covalent attachment of some surface proteins to peptidoglycan. D. functions by transporting flagellum proteins to their extracellular site of assembly.
Phenylketonuria is the most commonly inherited genetic disorder that affects nervous system development. It occurs in 1 out of every 10,000 births in the United States and Europe. How would you design a study to determine if phenylketonuria is an
autosomal dominant or autosomal recessive disorder? How would you be able to determine if it is dominant or recessive? What will be an ideal response?
The response to chemical signal by bacteria is known as:
A. Telepathy B. Chemotaxis C. Chemotherapy D. Chemokinetics
What sort of media can be used to encourage growth of some organisms, while discouraging the growth of others?
A. Selective media B. Differential media C. Complex media D. Defined media