During which phase of mitosis do the chromosomes align at the center of the cell?

Directions:  Multiple-Choice: Each of the questions or incomplete statements below is followed by four suggested answers or completions; select the one that is best in each case. Matching: Complete the statements or define the terms using the words from the word bank.

Purple flower (P) color is dominant over white flower (p) color. A heterozygous, purple-flowered plant (Pp) is crossed with a heterozygous purple-flowered plant (Pp). What is the percent change of having a purple flower phenotype? (ASSUME AUTOSOMAL COMPLETE DOMINANCE). You may use a scratch sheet of paper for all scratch work.

What type of macromolecule is being shown in the image below?

What is structure C in the image below? (Hint: These take mRNA molecules and use them to build proteins.)

What portion of the pH scale would be considered neutral?

What is structure F in the image below? (Hint: These take mRNA molecules and use them to build proteins.)

What is the general equation for photosynthesis?

What portion of the pH scale would be considered basic?

What is structure E in the image below?