Science Quiz Bee Answers

1. 96% human body - Carbon, Hydrogen, Oxygen, Nitrogen

2. Minute element needed by humans - Iodine

3. Elements have different chemical properties because of different radioactive properties - Isotopes

4. Water molecule bonding - Hydrogen bonding

5. Something question about changing the calories to kcal... SADLY I do not remember huhu but the answer is 1 kg of H2O by 1 degree Celsius

6. Hydrophobic substances are nonpolar substances and they repel H2O molecules

7. Carbon molecule bonding - Covalent bond

8. Organic Chemistry - Study of carbon compounds

9. Insoluble fiber - Cellulose

10. Lactose - Is a disaccharide, combination of glucose and galactose

11. Saturated fats have single bonds not multiple double bonds

12. Lipids are insoluble to water

13. Amino acid structure - Alpha helix and beta turn (secondary level structure)

14. DNA - Nitrogenous base + Phosphate group + Pentose sugar

15. Most important lipids in biological membranes - Phospholipid

16. Organic compound in primitive atmosphere - Methane

17. Cellulose passes the human digestive tract unchanged

18. Simplest sugar, sub-unit of carbohydrates - Monosaccharides

19. Lipids are biochemicals that store energy and make up the cell membrane

20. Nucleotides are composed of nucleic acid chain/nitrogenous base + phosphate group + pentose sugar

21. Marcomolecules are large molecules, combining many polymers and carbon atoms as their backbone