Penicillin is the antibiotic produced by penicillium chrysogenum and its effective against gram-positive bacteria. the growth of which bacteria will most likely be affected by penicillium chrysogenum? select one or more: a. pseudomonas putida b. bacillus megaterium c. escherichia coli d. staphylococcus epidermidis

Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.