Points Which statement best supports the theory that eukaryotic cells evolved
through endosymbiosis?
O A. Eukaryotic cells can eat prokaryotic cells by engulfing them with
cell membranes.
O B. Their chloroplasts contain DNA that is similar to that of
prokaryotes.
C. All prokaryotic cells are covered by a stiff cell wall that protects
them.
D. Chains of amino acids form inside tiny bubbles filled with organic
molecules.

If an organ has six haploid chromosomes,how many chromosomes are present. 6 12

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.

Compare the parts of a cell and the cell as a whole to another common nonliving system (i.e., a car, a city, describe the parts of a cell and their primary function.