Which of the following techniques involves altering an organism’s DNA by inserting a gene

from a different organism?



a. DNA profiling
b. genetic engineering
c. therapeutic cloning
d. DNA fingerprinting


B

Biology & Microbiology

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Inbreeding reduces which of the following variances to near zero?

A. Genetic variance B. Environmental variance C. Both variances D. Neither variance

Biology & Microbiology

Glutaraldehyde

A. is, if given enough time, able to destroy all forms of microbial life. B. is very good for use on heat-sensitive medical items. C. attacks lipids. D. does not affect non-enveloped viruses. E. is, if given enough time, able to destroy all forms of microbial life AND is very good for use on heat-sensitive medical items.

Biology & Microbiology

As oxygen binds to hemoglobin, the ________ of the hemoglobin molecule will change through a process of ________ such that the binding of oxygen is enhanced.

A) amino acid sequence : phosphorylation B) cooperativity : negativity C) affinity : positive cooperativity D) affinity : negative cooperativity E) cooperativity : positivity

Biology & Microbiology

Helicobacter pylori produces (cytotoxin/hyaluronidase/urease), a unique virulence factor important to colonizing the digestive system.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology