Directions: Using the diagram, for A, B, C,D, and E, identify the phases of the cell cycle that the cell is going through. Directions: For number 1-10, identify the cell structure that is being shown.
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answer; a male inherits only one allele of the x-linked gene controlling hair color;

a community that experiences major changes undergoes progress

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.

imagine a line passing through the center of earth that goes through both the north pole and the south pole. this imaginary line is called an axis. earth spins around its axis, just as a top spins around its spindle. this spinning movement is called earth's rotation. at the same time that the earth spins on its axis, it also orbits, or revolves around the sun. this movement is called revolution.