Which of the following is called energy of activation or eact?
a. the energy released during an energetic reaction
b. the additional energy required for reactions to occur spontaneously
c. the energy consumed during an end ergonomic reaction

Which are observations about the tree on the right ,? check all that apply

Which nucleotide component contains nitrogen

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.