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

19. The diagram above represents a dihybrid cross between two guinnea pigs. The gametes have been determines for the two parents and a cross has been performed. Based on the provided information, what would the genotype of the offspring in the box marked “X” be?

17. What would the corresponding mRNA strand be for the following DNA gene:  AGACCTAGG

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? 

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

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. 

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

19. Electron carriers are essential to the process of cellular respiration. What are the two major electron carriers required in this process?

6. Metabolic pathways that release stored energy by breaking down complex molecules are known as…  A) catabolic pathways.   B) anabolic pathways.   C) bioenergetic pathways.   D) endergonic pathways.

1. Beginning with a fertilized egg (zygote), a series of five cell divisions would produce an early embryo with how many cells?  A) 4  B) 8  C) 16  D) 32  E) 64