A patient has an infection caused by S. moniliformis. Which of the following is the preferred antibiotic choice?
a. Penicillin
b. Tetracycline
c. Streptomycin
d. All of the above
D
Although S. moniliformis is susceptible to a broad spectrum of antibiotics, penicillin is regarded as the drug of choice for human rat-bite fever. An aminoglycoside, such as streptomycin, genta-micin, kanamycin, or tetracycline can be used to eliminate L forms or for patients allergic to pe-nicillin.
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Shitake mushrooms are decomposers that break down biological molecules from dead organisms. These organisms
belong to the ____ kingdom.
a. Protist b. Animalia c. Bacteria d. Fungi e. Plantae
The human brain comprises the cerebrum, diencephalon, brain stem and ___________
Fill in the blank(s) with the appropriate word(s)
Which statement about food chains is FALSE?
a. Owl consumption of mice benefits grasses. b. Mice consumption of grasses is harmful to the grasses. c. Owl consumption of mice harms grasses. d. Owls are acting as secondary consumers when they eat mice. e. Mice are herbivores
In fruit flies (Drosophila melanogaster) there is a dominant allele for red eyes and a recessive allele for white eyes. These alleles are located on the X chromosome. If a heterozygous red-eyed female is mated with a white-eyed male, what percentage of the offspring are expected to be white-eyed females? ( Enter the number only without the percent sign. For example, enter 100% as 100 and enter 12.5% as 12.5 )
Fill in the blank(s) with the appropriate word(s).