Bio1Exam3SAMPLE - NAME _ BSC2010 Biology 1 - Examination #3...

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NAME ____________________ BSC2010 Biology 1 - Examination #3 Dr. Jack Gartner SAMPLE Section I. Multiple Choice . Select the letter of the most appropriate response to each question. (50 points total). 1. Which of the following would not be an event occurring during both Prophase of mitosis, and Prophase I and II of meiosis? a. spindle fibers begin to form b. nuclear membrane breaks down and disappears c. duplicated centrosomes move to opposite poles d. tetrads are temporarily formed 2. Amphipathic molecules are molecules that a. extend multiple times through cell membranes b. physically bind cells together c. possess both hydrophobic and hydrophilic regions d. are highly electronegative and tear apart other molecules 3. All of the following are enzymes associated with DNA replication except for a. primase b. ligase c. nuclease d. helicase 4. The proton pump pumps protons a. OUT OF the stroma and OUT OF the matrix b. OUT OF the stroma and INTO the matrix c. INTO the stroma and INTO the matrix d. INTO the stroma and OUT OF the matrix 5. The significance of telomeres on chromosomes is that they a. serve to hold the DNA molecule in place within the chromosome b. shorten as the chromosomes duplicate and thus play a role in cell aging c. are the attachment points for chromatids during crossing over d. help to keep the chromosomes within the nucleus of eukaryotic cells 6. The process of epiboly would be associated with egg type and cleavage pattern? a. microlecithal, holoblastic equal b. macrolecithal, meroblastic c. mesolecithal, holoblastic unequal d. microlecithal, meroblastic 7. What is similar about glucose in cellular respiration and chlorophyll in photosynthesis? a. they are both the first substances to be oxidized b. both contain pigments c. they are both food sources for the organism d. both contain 6 carbons in their “backbone”
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8. Compared to a solution with a pH of 6, a solution with a pH of 10 is _____ times ______
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This note was uploaded on 03/03/2010 for the course BIO 2010 taught by Professor Gartner during the Fall '08 term at St. Petersburg College.

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Bio1Exam3SAMPLE - NAME _ BSC2010 Biology 1 - Examination #3...

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