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. Macronutrients consists of ______________ - proteins - and lipids.






2. _______________ consists of carbohydrates - proteins - and lipids.






3. Synthesis of more complex substances from simpler ones.






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






5. Breakdown of more complex substances into simpler ones with release of energy.






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






7. All lipids are made of two structural units: ___________ - and _______ ______.






8. ____________: more than one sugar molecule.






9. When two monosaccharides combine together - the chemical reaction is call _____________ _____________.






10. When two monosaccharides combine together - the chemical reaction is call _____________ _____________.






11. _____________ store energy in the form of fat.






12. _____________ contain up to 1000 glucose molecules linked together.






13. The three types of Polysaccharides are starch - _____________ - and cellulose.






14. Proteins help form antibodies for _____________.






15. ______ of carbs = 1680 kJ of energy.






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






17. ________ are very stable insoluble molecules. Used for waterproofing/ protection. Ex. Candles etc -.






18. _________________ are made of a single sugar unit.






19. _____________ ________ _____ are the eight amino acids our body cannot make.






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






21. _______________ can have one single sugar molecule or can be polymers.






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






23. Lipids are ____ ______________ in cell membranes.






24. Nucleic acids are composed of _______ - phosphate - and nitrogenous bases.






25. The opposite of dehydration synthesis is _____________.






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






27. There are ______ kinds of lipids.






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






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






30. Starches are _______ polysaccharides - stores energy for _______.






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






32. _______________ are fast sources of energy.






33. Triglycerides can be _____________ - or _______________.






34. ________ are used to maintain a body temperature.






35. Monosaccharides are also called ________ __________.






36. ___________: to lose a water molecule.






37. Nucleic acids are composed of sugar - phosphate - and _____________ bases.






38. _____________ store energy in the form of fat.






39. Every living thing requires a constant supply of __________ ___ ____________.






40. There are ________ types of carbohydrates.






41. Nucleic acids are composed of _______ - ____________ - and _____________ bases.






42. ______ are the structural components of cell membranes.






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






44. __________ are needed for fat soluble vitamins.






45. The three types of Polysaccharides are _____________ - glycogen - and cellulose.






46. __________ are the structural components of the cell.






47. _______________ is the primary energy source for cells.






48. Triglycerides can be _____________ - or _______________.






49. ________________ usually have a molecular formula ratio of C:H:O in 1:2:1.






50. _______________ can be found in potatoes - bread - corn - rice - fruit - etc -.