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. _______ are non-polar molecules.






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






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






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






5. _____________ are found in plant cell walls.






6. _____________ store energy in the form of fat.






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






8. _______________ are made of all sugar molecules.






9. Lipids are ____ ______________ in cell membranes.






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






11. __________ _____ ___________ help in chemical reactions.






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






13. __________ are the structural components of the cell.






14. Proteins help form antibodies for _____________.






15. Some examples of Monosaccharides are _________ - Galactose - Fructose.






16. __________________________ can be changed when exposed to excess heat - radiation - or change in pH.






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






18. _______________ is the primary energy source for cells.






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






20. There are __________ different kinds of Amino acids. __________ can be made in our bodies - while ________ is acquired through eating food.






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






22. ______ of fat = 3870 kJ of energy.






23. __________ = glucose + glucose.






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






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






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






27. Lipids __________ - and ____________ organs.






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






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






30. 100 g of carbs = __________ of energy.






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






32. __________ = glucose + fructose.






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






34. Triglycerides can be _____________ - or _______________.






35. ______ are energy storage compounds.






36. _____________ _____________ _____________- coils of amino acids.






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






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






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






40. __________ = galactose + glucose






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






42. ___________: combining two things together to make something new.






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






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






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






46. _____________ contain up to 1000-6000 glucose molecules linked together.






47. ________ are used to maintain a body temperature.






48. Proteins are composed of ______ ______.






49. ___________: to lose a water molecule.






50. Proteins help form antibodies for _____________.