21. The following image depicts a cellular process which is essential for providing genetic diversity in sexually reproducing organisms. What cellular process is shown below?

23. Which of the following is a likely result from uncontrolled cell division in eukaryotic cells?

18. Which temperature and pH profile curves on the graphs provided were most likely generated from analysis of an enzyme from a human stomach, where conditions are strongly acidic?

2. You are conducting a test to determine the effects of different colored lights on starch production in potatoes. You have decided to use yellow, green, red, and blue, and white light and measure the total mass of starch produced at the end of 2 weeks. What would your dependent variable be in  this experiment?

43. Mitosis produces two identical daughter cells while meiosis produces 4 identical gametes. 

9. Which small-scale mutation would be the most likely to have the greatest negative effect on the functioning of a protein?

4. Two parents, one homozygous recessive, and one heterozygous for the trait of curly hair are planning to have a baby. Curly hair is a dominant trait. What is the probability that their baby will have curly hair?

11. Which type of organelle or structure is primarily involved in the synthesis of oils, phospholipids, and steroids?

23. The image below depicts an important biological process for both prokaryotes and eukaryotes. Which process is displayed in this diagram?

31. Denatured enzymes can be reused as long as their substrate is small enough to fit in the active site.