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. ______ of fat = 3870 kJ of energy.






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






3. There are _____ types of protein structure.






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






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






6. There are ______ kinds of lipids.






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






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






9. Lipids __________ - and ____________ organs.






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






11. _____________ are made of building blocks called amino acids. Found in meat - eggs - fish - nuts - beans - dairy.






12. _______________ are fast sources of energy.






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






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






15. __________ are the structural components of the cell.






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






17. _______ are non-polar molecules.






18. _________________ are made of a single sugar unit.






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






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






21. Proteins create _____________ that affect growth and serve as messengers.






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






23. Vitamins and Minerals are often found in __________ _________.






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






25. _______________ are made of all sugar molecules.






26. There are _____ types of protein structure.






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






28. ___________: to lose a water molecule.






29. Proteins help form antibodies for _____________.






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






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






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






33. __________ = glucose + glucose.






34. _____________ _____________ _____________- a single chain of sequenced amino acids.






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






36. ______________ _______________ : single bonds exist between carbons - they are stable and hard to break down so they will remain in our body longer. animal sources






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






38. ________ includes all fats and oils.






39. ________ are used to maintain a body temperature.






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






41. ___________ have different properties. Ex - fructose is sweeter.






42. ______ of carbs = 1680 kJ of energy.






43. ____________ creates cholesterol - estrogen and pheromones.






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






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






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






47. _____________ are found in plant cell walls.






48. _____________ _____________ _____________- coils of amino acids.






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






50. ______ are the structural components of cell membranes.