If similarities between two structures in different organisms reflect common ancestry, these structures are
A. analogous.
B. heterologous.
C. vestigial.
D. homologous.
E. homeotic.
D. homologous.
Biology & Microbiology
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Which Hepatitis virus must be present in order for hepatitis D to manifest?
Biology & Microbiology
Streptococcus pyogenes causes all the following, except:
A. necrotizing fasciitis. B. erysipelas. C. impetigo. D. scarlet fever. E. scalded skin syndrome.
Biology & Microbiology
Which one of the following membranes lines the airways and digestive tract?
A) serous B) cutaneous C) membranous D) synovial E) mucous
Biology & Microbiology
Human herpesvirus 3 (HHV-3)
A. causes chickenpox and shingles. B. becomes latent in dorsal root ganglia that serve specific dermatomes. C. has humans as its reservoir. D. uses the respiratory epithelium as its portal of entry. E. All of the choices are correct.
Biology & Microbiology