practiceexam1_roberts

practiceexam1_roberts - BIOSC 0150 CRN# 11790 PINK...

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Before filling in your name and PeopleSoft-ID, please check that the color of your scantron sheet matches the color of your test. In column J of the scantron sheet blacken the circle corresponding to the color of your exam: white = 1; blue = 2; pink = 3; yellow = 4. Proceed with the exam, choosing the best answer for each of the following questions and blackening the proper circle on the answer sheet with a Number 2 pencil. Read each question carefully before marking the best answer on your scantron sheet.Work thoughtfully. Make educated guesses if necessary. Even wild guessing throughout should net you 20% of the total points, on the average. Foundations of Biology - I 1st EXAMINATION PINK Fall Term 08-1 - Dr. Laurel Roberts BIOSC 0150 CRN# 11790 Life began in the oceans. Life can be started experimentally in the laboratory. Organic molecules important to life could have been formed from a vast array of simple chemicals. Life began on the pre-biotic Earth 3.5 billion years ago. None of the other choices is correct a. b. c. d. e. 1 -- Which of the following was demonstrated by the Miller-Urey experiment? insects that walk on water sugar dissolving in a glass of ice tea floating icebergs a and b only all of the above a. b. c. d. e. 2 -- X Which of the following natural phenomena are not a direct result of the properties of water? the cell will shrivel. the cell will swell and burst. the cell will shrivel and then return to normal. the cell will swell and then return to normal. water moves into and out of the cell at an equal rate. a. b. c. d. e. 3 -- If a red blood cell is placed in an isotonic solution, allowing movement of molecules that would otherwise be excluded by the lipid components of the membrane. transferring signals from outside the cell to inside the cell. maintaining the shape of the cell. facilitating the transport of macromolecules across the membrane. stabilizing the lipid bilayer. a. b. c. d. e. 4 -- X The functional roles for different proteins found in membranes include all except the atom's atomic weight. the number and distribution of electrons. the atom's ability to form isomers. the atom's nucleus. pH. a. b. c. d. e. 5 -- X The ability of atoms to combine with other atoms is determined by 500 40 4 0.8 0.1 a. b. c. d. e. 6 -- How many kcals are required to raise 500 ml of water 8 degrees C?
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Page 2 PINK Rough ER; Golgi apparatus; vesicle; plasma membrane Golgi apparatus; rough ER; lysosome Lysosome; vesicle; plasma membrane Plasma membrane; coated vesicle; lysosome Rough ER; cytoplasm; plasma membrane a. b. c. d. e. 7 -- X Which of the following represents the correct pathway for the synthesis and secretion of insulin, a protein secreted by the cells of the pancreas?
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This note was uploaded on 04/25/2011 for the course BIOSC 150 taught by Professor Robert during the Spring '11 term at A.T. Still University.

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practiceexam1_roberts - BIOSC 0150 CRN# 11790 PINK...

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