20. True or False: Glycolysis can only be performed by eukaryotic cells, because only eukaryotic cells contain mitochondria for ATP production.

28. Human blood type is a codominant trait, with three alleles for red blood cell surface carbohydrates. A couple has 4 children, all with different blood types: A, B, AB, and O. What are the blood types of the parents?

16. Match each stage of protein synthesis with its cellular location.

40. The following graph represents the activity levels of three enzymes found in the digestive system of the human body. Using the data from the graph, what conclusion can you draw about the activity of the enzyme trypsin?

14. Five dialysis bags, constructed from a semipermeable membrane that is impermeable to sucrose, were filled with various concentrations of sucrose and then placed in separate beakers containing an initial concentration of 0.6 M sucrose solution. At 10-minute intervals, the bags were massed (weighed) and the percent change in mass of each bag was graphed. Which line in the graph represents the bag with the highest initial concentration of sucrose? 

20. You are studying a DNA gene with the sequence TAC CCG CGT . Based on the amino acid chart provided, what would your three amino acids be for this particular segment of the gene?

10. Which of the following mRNA transcripts would be created from the DNA represented below? 3′ – TACCGATC – 5′

12. During which phase of gamete formation does crossing over occur? A) Prophase II B) Prophase I C) Metaphase II D) Interphase I E) Interphase II

30. The addition of heat is the best way to speed up chemical reactions in cells because it speeds up the movement of molecules in the cell. 

1. When crossing an organism that is homozygous recessive for a single trait with a heterozygote, what is the chance of producing an offspring with the homozygous recessive phenotype?