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. _____________ _____________ _____________- the are groups interact to change coil structure.






2. There are ______ kinds of lipids.






3. _____________ store energy in the form of fat.






4. The 200 000 chemical reactions that takes place in the cells of your body is called _____________.






5. Proteins help _____________ important substances to different areas of the body.






6. Carbohydrates are structural material for ______ ______.






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






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






9. _______________ are made of glycerol and two fatty acids and a phosphate group.






10. Lipids __________ - and ____________ organs.






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






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






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






14. __________ = glucose + glucose.






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






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. Proteins help keep our cells and muscles in _________.






19. Disaccharides are made of _____ __________________ combined together.






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






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






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






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






24. Phospholipds have a _____________ head - and a _______________ tail.






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






26. Macronutrients consists of _______________ - _________ - and _______.






27. Amino acids are made of ________ _____ - _____________ - ___________ _______ - and _____________.






28. _____________ is when a protein changes shape temporarily.






29. 100 g of fat = __________ of energy.






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






31. _______________ are made of glycerol and two fatty acids and a phosphate group.






32. Triglycerides can be _____________ - or _______________.






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






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






35. ______ of fat = 3870 kJ of energy.






36. Nucleic acids are composed of sugar ____________ - and nitrogenous bases.






37. __________________ are formed by MANY monosaccharides linked together.






38. __________ = galactose + glucose






39. Carbohydrates are structural material for ______ ______.






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






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






42. __________ = glucose + fructose.






43. __________ are the structural components of the cell.






44. All _____________ have different proteins (amino acids)






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






46. ________________ consists of Vitamins and Minerals - and Nucleic Acids.






47. ____________: more than one sugar molecule.






48. 100 g of carbs = __________ of energy.






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






50. ___________ are important for long-term storage of energy.