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BIO REVIEW TEST 1 - LECTURE NOTE|2024/2025|QUESTIONS AND CORRECT ANSWERS BIOSCIENCES I (BIO 1404)
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BIO REVIEW TEST 1 - LECTURE NOTE|2024/2025|QUESTIONS AND CORRECT ANSWERS BIOSCIENCES I (BIO 1404)
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lOMoAR cPSD|37668344 lOMoARcPSD|37668344 BIO REVIEW TEST 1 - LECTURE NOTE |2024/ 2025|QUESTIONS AND CORRECT ANSWERS BIOSCIENCES I (BIO 1404) 1. >>???Which of the following is not a functional group that can bond with carbon? a. Sodium b. Hydroxyl c. Phosphate d. Carbonyl 2. How are glycosidic bonds formed? a. Dehydration reaction btw 2 monosaccharaides with the elimination of a water molecule 3. What is an emulsifier? a. They allow unmixable things to mix 4. What is the purpose of a functional group? a. Groups of atoms that occur within molecules and confer specific chemical properties to them b. They can facilitate hydrogen bonding 5. Which is the weakest bond? a. Hydrogen bonds 6. Which fatty acid is bent? a. Unsaturated 7. Which type of structure is alpha -helix and the beta -pleated sheet? a. Secondary protein structure 8. What are the nitrogen bases of DNA? a. Thymine, guanine, cytosine, adenine 9. When acids are added to a solution, the pH should… a. Decrease 10. What is the ratio of elements in carbohydrates? a. C1H2O1 11. What is the pH of a solution with a hydroxyl concentration of 10^-8 M? a. 6 12. What allows for the development of surface tension? a. Cohesion 13. What is a carbohydrate composed lOMoAR cPSD|37668344 of? a. Carbon, hydrogen, and oxygen 14. What is the pH formula? a. pH=-log[H+] 15. What is the antiparallel orientation? a. Ends of DNA strand run opposite and parallel 5’ – 3’ 3’ – 5’ 16. What is the difference between cations and anions? a. Anions - neg charge (gain e-) b. Cations - pos charge (lose e-) 17. What makes a fat molecule? a. Fatty acid + glycerol 18. A substance that prevents a change in pH by absorbing or releasing hydrogen or hydroxide ions? a. bufferThe benefits of buying summaries with Stuvia:
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