Which statement is true regarding trichomoniasis infection?
A. It is the least curable STD.
B. It is caused by a protozoan.
C. It cannot cause infertility.
D. It has obvious symptoms.
E. It typically goes away on its own.
Answer: B
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Of all the different codons that exist, three of
them a. are involved in mutations. b. do not specify a particular amino acid. c. cannot be copied. d. provide instructions such as STOP. e. do not specify a particular amino acid and provide instructions such as STOP
The disease osteoporosis involves loss of both mineral and organic components from bones. Factors that may contribute to the development of osteoporosis include
A. lack of calcium and vitamin D in the diet. B. excess fat in the diet. C. prolonged disuse of muscles. D. a history of extreme sport participation. E. a decline in estrogen following menopause in women.
Immediately following mitosis, how many copies of each chromosome does a diploid somatic cell have?
A. 1 B. 2 C. 4 D. 6
In the case, the patient was started on antibiotic therapy for treatment indicating that the physicians believed his infection was caused by a _______.
A. protozoan B. virus C. fungus D. bacterium