Bacterial food poisoning resulting from Clostridium (botulinum/difficile/perfringens) contamination is characterized by watery diarrhea accompanied by intestinal cramping but not fever, and it resolves in about a day
What will be an ideal response?
perfringens
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What is the main structural component of cell membranes?
a. Polypeptides b. Triglycerides c. Enzymes d. Phospholipids
Ancestral lobe-finned fishes gave rise to modern-day lobe-finned fishes, the lungfishes, and to the amphibians.
Answer the following statement true (T) or false (F)
About 180 liters of blood plasma is filtered into human nephrons per day and, of that amount, about 2-3 liters leaves the body as urine. Therefore, the percentage of plasma filtrate that leaves as urine each day is about ________.
A. 10-20 percent B. 0.5-1.0 percent C. 1-2 percent D. 20-50 percent E. 0.1-0.2 percent F. 5-10 percent
How does a macrophage (immune cell) consume a bacteria?
A. exocytosis B. pinocytosis C. receptor-mediated endocytosis D. endocytosis E. phagocytosis