What happens during meiosis I? A. The DNA of each chromosome gets copied.
B. Two haploid cells are formed.
C. Sister chromatids are pulled apart.
D. Four haploid cells form from each parent cell.

Consider the last statement in the prompt: "people take such environmental factors into account in their choices when deciding where to live." do all people have a choice as to where they live? what factor plays a key role in this decision and may therefore play a large role in determining quality of life?

You are studying a protein that you call protein x. there is an aspartic acid at a key position in protein x which is important in the folding and stabilization of that protein. if this aspartic acid is changed to a different amino acid, which type of amino acid substitutions is most likely to allow the protein to fold normally?

Why do you suppose the structural polysaccharide cellulose does not contain branches?