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






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






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






4. 100 g of fat = __________ of energy.






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






6. Monosaccharides are also called ________ __________.






7. Triglycerides can be _____________ - or _______________.






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






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






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






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






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






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






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






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






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






17. _____________ is where animals store carbohydrates.






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






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






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






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






22. Proteins help form antibodies for _____________.






23. _______________ are made of all sugar molecules.






24. _____________ store energy in the form of fat.






25. ________ includes all fats and oils.






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






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






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






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






30. _______________ is the primary energy source for cells.






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






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






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






34. _____________ are plant polysaccharides - stores energy for plants.






35. __________ _____ ___________ help in chemical reactions.






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






37. There are ______ kinds of lipids.






38. _____________ are found in plant cell walls.






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






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






41. __________ = glucose + glucose.






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






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






44. __________ _____ ___________ help in chemical reactions.






45. _____________ molecules are not negatively or positively charged.






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






47. ______ of carbs = 1680 kJ of energy.






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






49. Proteins are composed of ______ ______.






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