Test your basic knowledge |

Biology: Essential Nutrients

Subjects : science, biology
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. _______________ consists of carbohydrates - proteins - and lipids.






2. __________ _____ ___________ help in chemical reactions.






3. _____________ store energy in the form of fat.






4. ____________ _______ are genetic material that directs cell activity.






5. All _____________ have different proteins (amino acids)






6. Lipids __________ - and ____________ organs.






7. The three types of Polysaccharides are starch - glycogen - and _____________.






8. Macronutrients consists of carbohydrates - proteins - and _______.






9. _____________ is when a protein changes shape temporarily.






10. ___________: to lose a water molecule.






11. Proteins create ___________ that bring reactants together faster or slower.






12. There are ________ types of carbohydrates.






13. _____________ _____________ _____________- coils of amino acids.






14. _____________ is when a protein changes shape permanently.






15. Phospholipids have a _______ head - and a _____________ tail.






16. _____________ are made of one glycerol and three fatty acid chains.






17. Some examples of Monosaccharides are _________ - ___________ - __________.






18. The four kinds of lipids are _______________ - _______________ - ________ - and ___________.






19. _____________ store energy in the form of fat.






20. 100 g of fat = __________ of energy.






21. The three types of Polysaccharides are _____________ - _____________ - and _____________.






22. Proteins are made when many many amino acids combine together through _____________ _____________.






23. Carbohydrates are made of all ________ ____________.






24. The chemical reaction for glycerol and fatty acids combining together to form triglyceride is also called _______________ _____________.






25. There are ________ types of carbohydrates.






26. Micronutrients consists of __________ _____ _________ - and Nucleic Acids.






27. _____________ _____________ _____________- Two or more different tertiary structures interact forming large structure for a single protein.






28. ______________ are acquired from plants. (Photosynthesis -> glucose)






29. 100 g of carbs = __________ of energy.






30. _____________ is when a protein changes shape permanently.






31. ____________: when molecules have the same chemical formula but different structures.






32. _____________ molecules are not negatively or positively charged.






33. Macronutrients consists of ______________ - proteins - and lipids.






34. Micronutrients consists of Vitamins and Minerals - and _________ ______.






35. Proteins are composed of ______ ______.






36. Lipids are ____ ______________ in cell membranes.






37. _________________ are made of a single sugar unit.






38. Lipids are _____________ (does not dissolve in water).






39. _______________ ______________: double bonds exist between carbons - they are unstable and easy to break down. plant sources






40. Lipids are used to make _____________.






41. Lipids are used to make _____________.






42. The two types of starches are ___________ - and ______________.






43. _____________ are plant polysaccharides - stores energy for plants.






44. Macronutrients consists of carbohydrates - proteins - and _______.






45. Micronutrients consists of Vitamins and Minerals - and _________ ______.






46. Proteins help keep our cells and muscles in _________.






47. _______________ are fast sources of energy.






48. ______ of fat = 3870 kJ of energy.






49. ______________ are made of two monosaccharides combined together.






50. Proteins help form antibodies for _____________.