Fill in the best answer on your scan-tron. Both DNA and RNA are typically double stranded. Both DNA and RNA contain the pentose sugar, ribose.
Yeast represents a good example of a facultative aerobe.
B. Yeast will grow aerobically by respiration. A greater cell yield will be obtained under aerobic conditions than under anaerobiosis. A main function of the outer layer of the gram negative cell is A. to provide antigens which stimulate the immune system B. to provide a negative gram reaction C. to prevent diffusion outward of periplasmic enzymes 6. Nutrient agar is an example of a A. selective medium B. synthetic medium C. complex medium D. tissue culture medium 7. A. whip-like motion B. pulsation of a helix C. rotation of a hollow rigid propeller D. rowing like oars on a rowboat 8.