The beta lactam nucleus is the basic structure of
A. The Ribosome
B. Aminoglycosides
C. Chloramphenicol
D. Tetracycline
E. Penicillin
Answer: E. Penicillin
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Streptocoocus pyogens utilizes M protein and ________ to form microfibrils that facilitate attachment to host cells
A) lipoteichoic acid B) mucus C) plaque D) None of the answers are correct.
Four of the five answers listed below are arthropods. Select the exception
a. barnacles b. bumblebees c. spiders d. octopus e. ticks
Which of the following statements about the
electromagnetic spectrum is true? a. Infrared energy is sufficient to produce ionization. b. Infrared radiation has more energy than red radiation. c. Visible light has more energy than ultraviolet radiation. d. Chlorophyll absorbs some visible wavelengths, but not all. e. Chloroplasts absorb all wavelengths of visible light equally.
Which of the following white blood cells accounts for about two-thirds of all white blood cells?
a. neutrophils b. basophils c. eosinophils d. dendritic cells e. B and T lymphocytes