74) You are working on a research project that involves a mutational analysis of the light harvesting complex Lhca1, which is an important light harvesting complex found in plants. Your lab-mate asks where this complex is located. You say: A) It is in the outer chloroplast membrane                    B) It is in the inner chloroplast membrane C) It is in the thylakoid membrane                                      D) It is in the stroma

Cultivation of corn over thousands of years has resulted in a modern corncob that looks very different from the tiny ancestral corncob. Does this support the concept of evolution? A) No; the change in corn was accidental and does not demonstrate the process of       evolution.B) Yes; the change in corn is an example of natural selection and demonstrates the process of evolution.C) No; artificial selection is driven by humans rather than natural selection and does not demonstrate what occurs in the wild.D) Yes; the change in corn is an example of artificial selection and demonstrates the process of evolution.

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 statements about evolution is true?    A) Evolution only results in the addition of traits to existing organisms.    B) Evolution only results in the loss of traits from existing organisms.    C) Evolution can result in the addition or loss of traits in existing organisms.    D) Evolution has nothing to do with the addition or loss of traits.

47) Human Genome Program has found _________ genes in human genome. A) 100,000 B) 10,000C) 25,000 D) 45,000

14) The monomer of proteins with a central carbon atom which is bonded to a carboxyl group, an amino group, a carbon containing group, and a hydrogen atom are called: A) amino acids.B) fatty acids. C) nucleotides. D) peptides. 

Which of the following cells is in the mitotic prophase?

24) Which reaction shows reduction of NAD+?A) NAD+ + H2

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