Sally and George are worried that their preteen children will catch an STD or even develop cancers of the penis or cervix. What precautionary measures can the children take, according to this chapter?
What will be an ideal response?
Abstinence, use of latex condoms, and anti-HPV vaccines for both males and females.
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Sulfa drugs like Bactrim, given for bacterial infections, inhibit bacteria by blocking folic acid synthesis. The precursor molecule of folic acid is para-amino benzoic acid (PABA). Interestingly, PABA has a structure very similar to a sulfa drug. If a sulfa drug is present, the bacterial enzyme will bind the sulfa drug because of structural similarity. This is an example of ________.
A. competitive inhibition B. noncompetitive inhibition C. catabolite repression D. enzyme repression E. enzyme induction
____ is the most fatal genetic disorder in the United States
a. Cystic fibrosis b. Huntington’s disease c. Sickle cell anemia d. Anhidrotic dysplasia e. Color blindness
ATP
a. can be produced by endocytosis. b. is the by-product of the biosynthesis of organic compounds such as glucose. c. is produced in greatest amounts during anaerobic respiration. d. is released in aerobic respiration. e. is released in anaerobic respiration.
Which of the following terms cannot be used to characterize eukaryotic chromosomes?
a. bathed in cytoplasm b. DNA plus proteins c. condensed d. "colored bodies" e. duplicated