What is the infectious agent?
•Amylase digests carbohydrates; tissue filtrate still infects healthy test animal.
•Lipase digests fats; tissue filtrate still infects healthy test animal.
•Formaldehyde and/or heat denatures DNA and RNA; tissue filtrate still infects healthy test animal.
•Trypsin digests protein; tissue filtrate does not infect healthy test animal.
Select one:
a. carbohydrate
b. fat
c. protein
d. DNA or RNA
e. Could be carbohydrate, fat, or DNA or RNA but not protein.
c. protein
You might also like to view...
Quality control should be performed on which two organisms to determine the validity of the oxidase reagent?
a. S. aureus and S. epidermidis b. S. epidermidis and Enterococcus c. Aerococcus and Enterococcus d. Micrococcus and Aerococcus
Nitrogen has five electrons in its valence shell. How many electrons does it need to gain to complete its valence shell?
a. one b. two c. three d. seven e. eight
Scientists are working to create a better biofuel factory through which of the following processes?
A) increasing the rate at which certain algae reproduce B) developing strains of algae that can clean up oil spills C) increasing the genetic diversity of groups of algae D) restricting hydrocarbon production
To which one of the following is the bat's wing NOT homologous?
a. the human's arm b. the bird's wing c. the dragonfly's wing d. the whale's flipper e. the lion's foreleg