An experimental study in which neither the doctor nor the patient knows who is getting the actual treatment is called

A. single-sided.
B. double-sided.
C. double-blind.
D. double-barrier.


C

Biology & Microbiology

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Tarsiers, new world monkeys, old world monkeys, and apes are all living members of which of the

following mammalian lineages?

a. Strepsirhini b. monotremes c. Rodentia d. Haplorhini e. marsupials

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Which of the following could not be considered a secondary tissue?

a. xylem b. phloem c. epidermis d. periderm e. cork

Biology & Microbiology

In fungal reproduction, what is the name of the process in which fusion of nuclei takes place?

a. cytoplasmic streaming b. symbiosis c. plasmogamy d. karyogamy

Biology & Microbiology

The term ________ is used to reference concentrations of viruses

a. titer b. viral particle c. virion d. viroid

Biology & Microbiology