3: How is the transfer of bacteria into and out of one person and then into another person similar to or different from how you spread bacteria into and out of one Petri dish and then into another dish?

Why is it important to study each branch of earth science?

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water

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.