White blood cell that attacks viruses
Answer: Lymphocyte
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Reception of a signal released by the same cell is which of the following types of signaling?
A) paracrine B) endocrine C) autocrine D) juxtacrine E) exocrine
Genes code for all of the following EXCEPT
A) structural components B) regulatory components C) RNA D) DNA
Which statement accurately describes the properties of sound?
A. The frequency of a sound determines the loudness. B. The amplitude of a sound determines its pitch. C. The amplitude of a sound is the number of waves per second. D. A soft sound has a greater amplitude than a loud sound. E. A high note and a low note with the same amplitude are equally loud.
What is the metabolic abnormality that underlies the characteristic symptoms of diabetes mellitus?
A) a failure of the kidney tubules to reabsorb enough glucose from the urine B) an inability of the body's cells to switch from glucose metabolism to fat metabolism between meals C) an inability of the body's cells to retain glucose they have absorbed from the blood D) an inability of the body's cells to absorb enough glucose from the blood