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. ________ includes all fats and oils.






2. _____________ _____________ _____________- coils of amino acids.






3. Proteins help form antibodies for _____________.






4. _____________ store energy in the form of fat.






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






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






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






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






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






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






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






12. ______ of fat = 3870 kJ of energy.






13. ____________ _______ are genetic material that directs cell activity.






14. There are ______ kinds of lipids.






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






16. __________ are needed for fat soluble vitamins.






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






18. _____________ are found in plant cell walls.






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






20. Synthesis of more complex substances from simpler ones.






21. Some examples of Monosaccharides are Glucose - ___________ - Fructose.






22. Carbohydrates are structural material for ______ ______.






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






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






25. Lipids __________ - and ____________ organs.






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






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






28. ___________: to lose a water molecule.






29. The opposite of dehydration synthesis is _____________.






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






31. ________ are used to maintain a body temperature.






32. __________ = galactose + glucose






33. Disaccharides are made of _____ __________________ combined together.






34. ______ are energy storage compounds.






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






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






37. Monosaccharides are also called ________ __________.






38. Monosaccharides are also called ________ __________.






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






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






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






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






43. Proteins __________ ligaments - tendons - and skin.






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






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






46. _______________ is the primary energy source for cells.






47. ________________ usually have a molecular formula ratio of C:H:O in 1:2:1.






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






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






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