Exposure to which of the following antibiotics would cause a child to develop yellow teeth?
a. erythromycin
b. tetracycline
c. amoxicillin
d. streptomycin
e. penicillin
ANSWER: b
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Which of the following substances helps make cells of xylem rigid to avoid collapse?
A. cellulose B. lignin C. chitin D. spongin E. parenchyma
Match the following items with the correct phrases.
_______1. The disaccharide found in MacConkey agar. _______2. A pentose. _______3. A disaccharide composed of glucose plus fructose. _______4. Another name for dextrose. _______5. A hexose. a. sucrose b. lactose c. glucose d. ribose e. maltose
Which if FALSE about normal microbiota?
A. Regularly cause infections B. Can benefit the body C. Lives within the body D. Lives on our bodies
Anemia, a condition that results in individuals with a low red blood cell count, can be caused by a number of factors. Why do individuals with defects in the spectrin protein often have this condition?
What will be an ideal response?