Which one of the following is/are located in the tonsils to filter out many of the microorganisms that enter the throat?
A) thymus
B) adenoids
C) lymphocytes
D) platelets
E) red blood cells
C
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The recombinant virus assay (RVA) uses which type of amplification methodology?
a. Transcription-mediated amplification (TMA) b. Nucleic acid sequence-based amplification (NASBA) c. Strand displacement amplification (SDA) d. Reverse transcription polymerase chain reaction (RT-PCR)
30. In meiosis, homologous chromosomes separate during
A. prophase II. B. anaphase I. C. prophase I. D. anaphase II. E. metaphase I.
Triiodothyronine (T3) is secreted by the ____
a. parathyroid gland b. thyroid gland c. pancreas d. adrenal cortex e. adrenal medulla
How do bony fish regulate buoyancy?
A) With an air-filled swim bladder B) With a large, oil-filled liver C) By constantly swimming at an upwards angle D) Through the calcium in the bones, which makes the skeleton lighter than the water