The use of lysozyme during the preparation of cheeses and wines is effective in reducing the numbers of
A) fungi.
B) viruses.
C) bacteria.
D) prions.
E) all microbes.
C
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Genetically modified food has raised some concerns because
A. it contains radioactive particles. B. it may contain some unanticipated allergens. C. it may have some unintended environmental effects. D. the modified DNA may transfer to other organisms. E. it may contain some unanticipated allergens, it may have some unintended environmental effects, AND the modified DNA may transfer to other organisms.
Your father is heterozygous for a recessive disorder. You know your mother has two "good" alleles. What is the
probability that you will have the disorder?
a. 0% b. 25% c. 50% d. 75% e. 100%
The great adaptive radiation that resulted in all
of the major animal lineages occurred in the ___ period.
a. Cretaceous b. Devonian c. Jurassic d. Ordovician e. Cambrian
Which of the following statements regarding an inactivated vaccine is FALSE?
A) It can be produced with deactivated whole microorganisms. B) It can be produced from antigenic fragments of a pathogen. C) It is safer than an attenuated vaccine. D) It is made from mutated forms of the pathogen. E) It is made from pathogens that cannot replicate.