Which of the following statements best describes the major difference between prophase i of meiosis and prophase of mitosis? . answer. a. in prophase i, tetrads of homologous chromosomes form and crossing over occurs.. b. in prophase i, the chromatin condenses to form visible chromosomes.. c. in prophase, the replicated chromosomes are linked together as sister chromatids.. d. in prophase, the nuclear membrane dissolves and spindle fibers attach to the chromosomes.. .

Molecular models of two different substances are shown below. in the molecule on the left, the oxygen atom pulls on electrons more strongly than the hydrogen atoms. in the molecule on the right, the two oxygen atoms pull on the shared electrons with the same strength. water molecule, h,o oxygen molecule, oz when the two substances are put in the same container, they do not attract each other. why does this happen? a. they both contain oxygen. b. one is polar and one is nonpolar. c . they are both polar. d. they contain different elements.

Which statement best compares aerobic and anaerobic respiration

As scientist had investigated evolution from a variety fields they have found