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The two oxygen atoms in oxygen gas (O2) share four electrons forming a _____.  A)  hydrogen bond                                                            B)  double covalent bond C)  single covalent bond                                                 D)  triple covalent bond

61) Biological membranes contain bilayers containing mostly ______. A) phospholipids                                    B) oils C) cholesterol                                         D) triglycerides

Which of the following diagram represents metaphase I of meiosis? 

Which of the following cells is in the mitotic prophase?

56) Negatively charged subatomic particles that have almost no mass are called: A) neutrons.                                  B) electrons. C) ions.                                             D) protons.

71) Joseph Priestly in 1971 performed the mint and candle experiment to prove that plants add something to the air. What was the name of the gas added to the air by plants in his experiment? A) glucose B) carbon dioxideC) oxygenD) nitrogen

67) All of the reactions of cellular respiration that occur after glycolysis take place in what part of the eukaryotic cell? A) The cytoplasm                             B) The nucleus C) The mitochondria                      D) The plasma membrane

Phil is conducting a seed germination experiment. He places 3 groups of lettuce seeds in a 34º Celsius incubator with adequate moisture. One set of seeds is placed in a dark area with no light source. A second set is placed under artificial light and third set of seeds is placed in direct sunlight. This experiment is intended to test Phil’s hypothesis that light is necessary for lettuce seed germination. Based on the experimental design, which variable was the dependent variable? A) Temperature B) Moisture C) Seed germination D) Type of light

72) Most atmospheric oxygen comes from photosynthesis. From which of the following molecules is the oxygen derived? A) water                                                   B) carbon dioxide C) glucose                                               D) chlorophyll a

Given the following information about a fully amortizing loan, calculate the effective borrowing cost to the owner (EBC). Loan Amount: $180,000.00 Loan Amortization Term: 18 years Interest Rate: 5.00% compounded monthly Monthly Payment: $-1,265.46 Discount Points: 4 Other Closing Expenses:  $1,000.00 Assume the owner pays off the loan early at the end of year: 8