Which of the following is NOT one of the main components of the cell theory? 1. cells must contain cell walls 2. all living things are made of cells 3.cells can only come from other cells 4. cells are the basic unit of life

What is the function of nucleic acids

Anton created a chart listing different types of materials. which best complete the chart?

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.