SAMPLE 150 EXAM 1

SAMPLE 150 EXAM 1 - SAMPLE EXAM 1 (PLEASE NOTE: THIS IS AN...

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1 SAMPLE EXAM 1 (PLEASE NOTE: THIS IS AN OLD EXAM USED FROM A PREVIOUS SEMESTER OF BIOLOGY 150 LAB. ENZYMES & MICROPIPETTE WERE NOT COVERED ON THIS EXAM DURING THE SEMESTER IT WAS ADMINISTERED) 1.- 20. Multiple Choice: 1 point/question (20 points total) Circle the letter of the best answer for a question or a statement. 1. Which of the following is INCORRECT with regard to science and scientific hypotheses? a. Science is limited to the study of the spiritual world or supernatural phenomena. b. A scientific hypothesis is an educated guess that can be tested. c. Scientific studies are systematic and orderly. d. Scientific studies use various approaches such as observation, experimentation, and theoretical investigations. 2. pH of a solution is defined as ________________. a. log [OH - ] b. - log [H + ] c. log [H + ] d. - log [OH - ] 3. In humoral immune system in our body, _______________ secrets antibodies, which adhere to antigens. a. white blood cell b. helper T-cell c. B cell d. Plasma cell 4. What is the most important function of a buffer? a. minimize a change of pH b. keep hydrogen ions in blood c. dilute sugar concentration in blood d. maintain acidity of a solution 5. Retrovirus has to construct some DNA using their RNA as a template with stimulation of ________________________. a. DNA polymerase b. reverse transcriptase c. enzyme transcriptase d. DNA ligase 6. What is an example of catabolic pathway?
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2 a. fermentation b. cellular respiration c. metabolism d. protein synthesis 7. In a salt-water solution, water is the ______________ and salt is the _____________. a. solute, solvent b. isotome, enzyme c. solvent, solute d. solution, concentration 8. Which of the following is found only in plant cells? a. cell membrane b. cell wall c. nucleus d. cytoplasm 9. The structure that regulates what enters and leaves a cell is the ______________. a.
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This note was uploaded on 09/18/2009 for the course BIOL 5200 taught by Professor Dr.juliecampbell during the Fall '09 term at Kansas.

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SAMPLE 150 EXAM 1 - SAMPLE EXAM 1 (PLEASE NOTE: THIS IS AN...

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