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. Synthesis of more complex substances from simpler ones.






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






3. _____________ are found in plant cell walls.






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






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






6. __________ _____ ___________ help in chemical reactions.






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






8. There are ________ types of carbohydrates.






9. _____________ are found in plant cell walls.






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






11. ________ includes all fats and oils.






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






13. Carbohydrates are structural material for ______ ______.






14. Lipids __________ - and ____________ organs.






15. The bond formed between two amino acids are called a __________ ______.






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






17. Carbohydrates are made of all ________ ____________.






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






19. Monosaccharides are also called ________ __________.






20. Proteins help form antibodies for _____________.






21. Proteins __________ ligaments - tendons - and skin.






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






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






24. Phospholipids forms a _________ _____________ _____________ _____________ that is essential for structure and function.






25. _____________ is where animals store carbohydrates.






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






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






28. _______ are non-polar molecules.






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






30. _____________ contain many branches that make up 24-36 glucose molecules.






31. Macronutrients consists of ______________ - proteins - and lipids.






32. Breakdown of more complex substances into simpler ones with release of energy.






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






34. Carbohydrates are structural material for ______ ______.






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






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






37. Disaccharides are made of _____ __________________ combined together.






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






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






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






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






42. _______ are non-polar molecules.






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






44. _______________ is the primary energy source for cells.






45. Phospholipids forms a _________ _____________ _____________ _____________ that is essential for structure and function.






46. _____________ store energy in the form of fat.






47. __________ are the structural components of the cell.






48. 100 g of carbs = __________ of energy.






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






50. __________ are the structural components of the cell.