microexam II 04 - MORAINE VALLEY COMMUNITY COLLEGE BIOLOGY...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
MORAINE VALLEY COMMUNITY COLLEGE BIOLOGY 119: Microbiology Exam III T. McCague Matching (1-5): a. (N) d. (O 2 ) b. (Na) e. (CO 2 ) c. (H 2 O) 1. Symbol for nitrogen. 2. A molecule that is not a compound. 3. A gas released in aerobic cell respiration. 4. A chemical that is a liquid at room temperature and a solid below O degrees C. 5. The chemical symbol for sodium 6. Carbon atoms have an atomic weight of 12 and an atomic number of 6. Therefore, what is the number of electrons orbiting the nucleus? a. 4 d. 2 b. 8 e. 6 c. 12 7. The type of bonding that holds sodium chloride (table salt) together is: a. covalent c. ionic b. hydrogen d. none of these 8. Which one of the following chemicals is inorganic? a. C 6 H 12 O 6 glucose d. CH 3 OH methyl alcohol b. CO 2 carbon dioxide e. all the above are organic c. CH 4 methane
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
9. The general formula for one organic group of chemicals is (C n H 2n O n ) that is, there are twice as many hydrogens as either carbons or oxygens. Which chemical group is this? a. organic acids d. fats or lipids b. sugars e. amino acids c. proteins 10. Glucose is a hexose, monosaccharide sugar. a. true b. false 11. Glucose can be converted into fructose by rearranging the carbon, hydrogen and oxygen atoms with an isomerase enzyme. a. true b. false 12. Ribose, a sugar found in RNA is a pentose monosaccharide a. true b. false 13. The sugar deoxyribose of DNA, differs from the sugar ribose of RNA by having: a. one less oxygen atom d. one more oxygen atom b. one less hydrogen atom e. one more hydrogen atom c. one less carbon atom 14. The four nitrogen bases of DNA pair in a specific way. How do they pair? a. C - T and A - G b. A - T and C - G c. A - C and T - G d. none of the above pairs are correct 15. In order to put two glucose molecules together to make a molecule of maltose, what must be removed? a. water d. hydrogen b. nitrogen e. carbon dioxide c. oxygen
Background image of page 2
16. The term polysaccharide means: a. many fatty acids d. many sugars b. many carbolic acids e. many starches c. many amino acids 17. Which one of the following is not a carbohydrate? a. glucose d. maltose b. starch e. glycerol c. cellulose 18. If the number of oxygen atoms is very low while the Carbon-Hydrogen ratio is very high (example: C 49 H 98 O 6 ) then this chemical is most likely: a. a nucleic acid d. a carbohydrate b. a lipid or fat e. a protein c. a polysaccharide 19. When a fat is digested the component parts are: a. 1 nucleic acid and 3 fatty acids b. 1 amino acid and 3 fatty acids c. 1 sugar and 3 nucleic acids d. 1 glycerol and 3 fatty acids e. none of these 20. When two amino acids are bonded together they form
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 06/13/2011 for the course BIO 119 taught by Professor Stevendroho during the Spring '11 term at Moraine Valley Community College.

Page1 / 12

microexam II 04 - MORAINE VALLEY COMMUNITY COLLEGE BIOLOGY...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online