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






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






3. __________ _____ ___________ help in chemical reactions.






4. Disaccharides are made of _____ __________________ combined together.






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






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






7. Macronutrients consists of carbohydrates - proteins - and _______.






8. _____________ is when a protein changes shape permanently.






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






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






11. Some examples of Monosaccharides are Glucose - Galactose - __________.






12. _____________ is when a protein changes shape permanently.






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






14. Proteins __________ ligaments - tendons - and skin.






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






16. The opposite of dehydration synthesis is _____________.






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






18. ______________ are made of two monosaccharides combined together.






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






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






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






22. Lipids __________ - and ____________ organs.






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






24. Carbohydrates are made of all ________ ____________.






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






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






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






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






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






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






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






32. Synthesis of more complex substances from simpler ones.






33. _____________ contain up to 1000-6000 glucose molecules linked together.






34. __________________ are formed by MANY monosaccharides linked together.






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






36. 100 g of fat = __________ of energy.






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






38. ______ of fat = 3870 kJ of energy.






39. Proteins help form antibodies for _____________.






40. ___________ are important for long-term storage of energy.






41. Proteins are composed of ______ ______.






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






43. __________ _____ ___________ help in chemical reactions.






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






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






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






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






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






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






50. _______________ are made of all sugar molecules.