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BIO Multiple Choice Questions

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Question;1. A nucleus is found in: (Points: 5) bacteria. eukaryotic cells. blue-green algae. All of these answers are true.;2. The main components of a cell membrane are: (Points: 5) phospholipids and proteins. steroids and carbohydrates. nucleic acids and simple sugars. proteins and steroids.;3. The endoplasmic reticulum: (Points: 5) functions in internal transport of macromolecules. carries on cellular respiration. is the site of photosynthesis. is dispersed nuclear material of DNA and protein.;4. The aerobic cellular respiration (release of energy from food) of carbohydrates occurs in the: (Points: 5) lysosome. mitochondrion. chloroplast. flagellum.;5. Long structures used for cell movement are: (Points: 5) centrioles. cilia. flagella. granules.;6. Some people get repeated fungal infections because they cannot destroy these dangerous microbes after their white blood cells phagocytize them. This most likely means that these people have _______ that do not work properly. (Points: 5) ribosomes lysosomes mitochondria microtubules;7. Enzymes are: (Points: 5) fats. sugars. starches. proteins.;8. Enzyme competition occurs when: (Points: 5) one type of enzyme reacts with one type of substrate. an enzyme does not react with a substrate. three different types of enzymes react with one type of substrate. an enzyme stops a reaction.;9. The proton pump is responsible for the production of: (Points: 5) ATPs. oxygen. ADP. All of these answers are true.;10. An anaerobic process does not require: (Points: 5) water. oxygen. energy. phosphate.;11. The end product of glycolysis is: (Points: 5) ketone. alcohol. pyruvic acid. lactic acid.;12. The result of the complete breakdown of glucose during aerobic cellular respiration in eukaryotic cells will yield a net gain of: (Points: 5) two ATP. four ATP. thirty-six ATP. forty-two ATP.;13. Lactic acid is formed by combining: (Points: 5) pyruvic acid and hydrogen. CO2 and hydrogen. ethyl alcohol and hydrogen. pyruvic acid and oxygen.;14. 14. Before fats can be metabolized in aerobic cellular respiration, they must be converted to: (Points: 5) simple sugars. fatty acids and glycerol. amino acids. fatty acids and amino acids.;15. The digestion of a protein results in: (Points: 5) sugars. enzymes. amino acids. the formation of peptide bonds.;16. The molecule that traps the sun's energy is: (Points: 5) ATP. glyceraldehyde-3-phosphate. chloroplast. chlorophyll.;17. __________ take(s) place within the grana. (Points: 5) Light-dependent reactions Light-independent reactions The entire photosynthesis process Aerobic cellular respiration;18. Thylakoids are found in: (Points: 5) chloroplasts. mitochondria. liver cells. fungal cells.;19. Energy gathering or concentrating mechanisms that allow light to be collected more efficiently during photosynthesis are called: (Points: 5) mitochrondria. photosystems. light-independent reactions. ribulose.;20. O2 is a product of: (Points: 5) light-dependent reactions. light-independent reactions. light-capturing events All of the choices are correct.

 

Paper#63175 | Written in 18-Jul-2015

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