During the binary fission of bacteria, what events must occur before the cell splits into two new cells? Select all that apply.
A) Copies of the circular DNA molecule move to opposite ends of the cell.
B) A pilus is used to transfer DNA from one cell to the other.
C) The cell’s primary DNA molecule is copied.
D) Membrane-bound organelles are copied so that both cells get a set.

Consider the following planned experiment. factor experimental group control group light exposure tots of sun tots of sun amount of water weekly weekly type of soil nutrient rich nutrient rich size of pot large which variable is being tested in this experiment? small a. size of pot b. type of soil c. light exposure d. amount of water

Compare the shapes of the bones of the human skull with the shapes of the bones of the human leg. how do the shapes differ? why are the shapes important?

In cattle a single gene with two alleles determines fur color the fur can be red white or roan roan fur has both red and white hair which of the following statements is true a the allele for roan fur color is dominant over red and white fur color b the allele for red fur color is dominant over white and roan fur color c the roan and white alleles are expressed independently of the other d the red and white alleles are expressed independently of each other