Which blood vessels contains oxygenated blood?

1.arteries
2.capillaries
3.veins
4.All of these contain oxygen at some point during the circuit.


4

Biology & Microbiology

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Which one of the following statements is true regarding antimicrobial therapy and susceptibility testing?

a. Cephalosporins and macrolides are inef-fective against M. catarrhalis. b. Resistance to quinolones is emerging in strains of N. gonorrhoeae. c. Most Neisseria spp. are resistant to peni-cillin. d. Most strains of N. meningitidis are resis-tant to penicillin.

Biology & Microbiology

Answer the question using the accompanying figure. Which branch of this phylogenetic tree identifies Archaea?

a. A b. B c. C d. D e. E

Biology & Microbiology

Which of the following factors is LEAST likely to attract pollinators to a flower?

A. color of the flower in UV light B. the amount of nectar C. taste of the ovules D. color of the flower in visible light E. odor

Biology & Microbiology

Random assortment occurs between chromatids of homologous chromosome pairs

a. True b. False

Biology & Microbiology