Which recombinant protein is widely used to digest milk proteins for making cheeses?
A) Casein
B) Chymosin
C) Erythropoietin
D) Insulin
E) DNA ligase
B
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You discover a bacteria species in a deep ocean sample that can turn olive oil into pure gold. The bacteria do not replicate well at sea level, and one night all of your "Golden" bacteria die. What can you do to possibly retrieve the gold-making gene from the dead Golden bacteria?
A. Transform a live bacterial strain with the Golden bacteria's DNA. B. Transduce a live bacterial strain with the Golden bacteria's DNA. C. Conjugate a live bacterial strain with the Golden bacteria. D. Transduce the Golden bacteria and then infect a live strain of bacteria with the transducing virus. E. There is nothing you can do because the cells are dead. You will have to search the ocean and hope to find the elusive bacteria again.
Which allele combination represents a heterozygous individual?
A. Aa B. AA C. aa D. None of these represent a heterozygous individual.
In which digestive structure is food called bolus?
a. in the liver b. in the small intestine c. in the large intestine d. in the mouth
The fungal phyla are distinguished primarily by
A. their mode of sexual reproduction. B. their size. C. their color. D. whether they make spores or not. E. their habitat.