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 carbohydrates - proteins - and _______.






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






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






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






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






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






7. There are ________ types of carbohydrates.






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






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






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






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






12. _____________ is when a protein changes shape temporarily.






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






14. Macronutrients consists of carbohydrates - __________ - and lipids.






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






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






17. _________________ are made of a single sugar unit.






18. ______ are energy storage compounds.






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






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






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






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






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






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






25. _____________ molecules are not negatively or positively charged.






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






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






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






29. __________ = glucose + glucose.






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






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






32. Synthesis of more complex substances from simpler ones.






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






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






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






36. ______ of carbs = 1680 kJ of energy.






37. _______________ is the primary energy source for cells.






38. __________ are the structural components of the cell.






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






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






41. _____________ is where animals store carbohydrates.






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






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






44. ________ are used to maintain a body temperature.






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






46. Monosaccharides are also called ________ __________.






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






48. Proteins help form antibodies for _____________.






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






50. Carbohydrates are made of all ________ ____________.