Cellulose is found throughout the cell walls of plant cells cellouse makes cell walls rigid which indicates that cellulose is a

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air

What are characteristics of minerals? select 3 choices

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.