Avery, Macleod, and McCarty expanded on Griffith's experiment to prove that DNA is the hereditary molecule required for transformation. What treatment of the heat-killed SIII bacteria extract resulted in the mouse living?
A) destroying type SIII lipids and polysaccharides
B) destroying type SIII DNA with DNase
C) destroying type SIII RNA with RNase
D) destroying type SIII proteins with protease
E) the control group (null treatment), in which all components are intact
B
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McArdle's Disease is a rare condition caused by the inability to produce myophosphorylase, which breaks down glycogen. Symptoms include severe muscle pain during exercise. What tissue type is affected in these patients?
A. Smooth muscle B. Cardiac muscle C. Skeletal muscle D. Epithelial tissue
Single-stranded ends generated by the same restriction enzyme are complementary to each other. They can be joined together
A. even when the source of the DNA is different. B. but the "sticky ends" will most likely have to be modified. C. but the hybridization of the two ends may cause a problem with cloning. D. only if the subunits have been methylated. E. only when the source of the DNA is the same.
Classification. Respond to the following statements with reference to the types of connective tissue listed below.
A. fibrous protein that allows tissues to stretch, then spring back to their original shape B. C. This tissue plays a particularly important role in the thermoregulation of many marine mammals. D. matrix of collagen fibers and rubbery, compression-resistant proteoglycan E. This substance is derived from stem cells in bone. F. This tissue provides nourishment to each of the other connective tissues.
A (furuncle/pimple/sty) is a type of folliculitis characterized by a large, painful, pus-filled nodule
What will be an ideal response?