Eye color in Drosophila is an example of
A. Discontinuous, non-quantitative trait
B. Discontinuous, quantitative trait
C. Continuous, non-quantitative trait
D. Continuous, quantitative trait
A
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Daptomycin requires free calcium for its antibacterial action, is inhibited by pulmonary surfactant, and has activity against gram-positive bacteria. Gram-positive bacterial isolates can be tested for daptomycin susceptibility. For which type of infection should daptomycin susceptibility NOT be reported?
a. Bacteremia b. Meningitis c. Pneumonia d. Skin/Soft tissue infection
The _____ have a coelom and are radial as adults
a. cnidarians c. annelids b. echinoderms d. placozoans
Why would a scientist trying to isolate osteoblasts look between the periosteum and the bone in a young animal to find them?
What will be an ideal response?
Which of the following statements concerning viruses is true?
a. Viruses possess enzymes for protein synthesis and ATP generation. b. Viruses contain both DNA and RNA, and they undergo binary fusion. c. Viruses are usually about the same size as bacteria. d. The "host range" for a virus is determined by the presence or absence of particular components on the surface of a host cell that are required for the virus to attach.