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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

22. The image below demonstrates an important biological process for. Both prokaryotic and eukaryotic cells. Which enzyme would be required in this process to unzip the strand of DNA prior to the addition of new nucleotides?

7. RNAs are required in the process of protein synthesis. Which of these types of RNA is responsible for transporting the genetic code out of the nucleus and to the ribosome for translation?

38. Which of the following stages of mitosis is represented in the image below?

12. Cytosine makes up 42% of the nucleotides in a sample of DNA from an organism. Approximately what percentage of the nucleotides in this sample will be thymine?

9. Which process in eukaryotic cells will proceed normally whether oxygen (O2) is present or absent?   A) electron transport   B) glycolysis   C) the citric acid cycle   D) oxidative phosphorylation   E) chemiosmosis

24.   Which curves on the graphs in Figure 6.3 may represent the temperature and pH profiles of an enzyme taken from a bacterium that lives in a mildly alkaline (basic) hot spring at temperatures of 70°C or higher?  A) curves 1 and 5 B) curves 2 and 4 C) curves 2 and 5 D) curves 3 and 4 E) curves 3 and 5