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






2. _____________ store energy in the form of fat.






3. __________________ are formed by MANY monosaccharides linked together.






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






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






6. All _____________ have different proteins (amino acids)






7. _________________ are made of a single sugar unit.






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






9. __________ are the structural components of the cell.






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






11. ______ are energy storage compounds.






12. __________ _____ ___________ help in chemical reactions.






13. _____________ is when a protein changes shape temporarily.






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






15. ____________: more than one sugar molecule.






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






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






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






19. _____________ is when a protein changes shape permanently.






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






21. Lipids are used to make _____________.






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






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






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






25. _____________ is where animals store carbohydrates.






26. __________ = glucose + fructose.






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






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






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






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






31. The opposite of dehydration synthesis is _____________.






32. __________ are the structural components of the cell.






33. _____________ is when a protein changes shape temporarily.






34. The opposite of dehydration synthesis is _____________.






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






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






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






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






39. _____________ is when a protein changes shape permanently.






40. Monosaccharides are also called ________ __________.






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






42. _____________ are found in plant cell walls.






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






44. Proteins are composed of ______ ______.






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






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






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






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






49. Lipids __________ - and ____________ organs.






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