26. The following image depicts which phase of meiosis in gamete production? A) Prophase I B) Interphase C) Metaphase II D) Anaphase I

6. You are conducting an experiment to determine the effect of music on the anxiety level of mice. You have 4 enclosures which contain speakers to deliver 3 different types of music to the mice. The 4th enclosure contains no speakers. After 2 hours in their chamber, a simple blood test is performed to determine the level of cortisol in the blood of each mouse (a measure of stress hormone). What is the independent variable in this experiment?

*BONUS* A researcher claims that increasing the environmental temperature by 10

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?

22. All of the following are ways to regulate the cell cycle and cell number except: A) density dependent inhibition B) apoptosis C) glucose oxidation D) cyclin proteins

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?

35. Substrate level phosphorylation is unique in that it 

34. Identify the correct order of process which occur during aerobic cellular respiration in a eukaryotic cell. 

27. The following image depicts a cellular process which is essential for providing genetic diversity in sexually reproducing organisms. What cellular process is shown below? A) Anaphase B) Crossing over C) Apoptosis D) Binary Fission

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