The organism causing giardiasis is a
A) gram-negative spirochete.
B) flagellated protozoan.
C) retrovirus.
D) type of yeast.
Answer: B
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The accommodation of the very long DNA strands that are part of a chromosome into the limited space of the nucleus is achieved by coiling the DNA around beads of histones into repeating subunits. These DNA-wrapped histones are called:
A. Solenoids B. Nucleosomes C. Chromatin loops D. Rosettes
Natural antiseptics such as pine or clove oil are examples of antimicrobial compounds called (alcohols/phenolics/detergents)
What will be an ideal response?
Some inhaled air never reaches the lungs.
Answer the following statement true (T) or false (F)
Please match the diseases with their most common portal of exit.
Tuberculosis, Influenza A) Respiratory tract (aerosols) B) GI tract (saliva droplets) C) Exudates from skin lesions D) GI tract (diarrhea) E) Reproductive tract (semen) F) Blood through a contaminated needle