The presence of gram-positive diplococci in a sputum sample most likely indicates an infection of

A) Streptococcus pyogenes.
B) Streptococcus pneumoniae.
C) Corynebacterium diphtheriae.
D) Bordetella pertussis.


Answer: B

Biology & Microbiology

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The information from messenger RNA is used to create polypeptide sequences during the process of _____

a. transduction b. transcription c. transformation d. translation e. replication

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The first day of the monthly menstrual cycle begins with ____

a. menarche b. menopause c. gametogenesis

d. menstruation e. ovulation

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Which of the following statements about Mendel's breeding experiments is correct?

A) None of the parental (P) plants were true-breeding. B) All of the F2 progeny showed a phenotype that was intermediate between the two parental (P) phenotypes. C) Half of the F1 progeny had the same phenotype as one of the parental (P) plants, and the other half had the same phenotype as the other parent. D) All of the F1 progeny resembled one of the parental (P) plants, but only some of the F2 progeny did. E) none of the above

Biology & Microbiology

Which of the following are most closely related to plants?

A) brown algae B) red algae C) slime molds D) green algae

Biology & Microbiology