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. Every living thing requires a constant supply of __________ ___ ____________.






2. Carbohydrates are made of all ________ ____________.






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






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






5. _____________ store energy in the form of fat.






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






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






8. _____________ is where animals store carbohydrates.






9. _______________ are made of all sugar molecules.






10. __________ _____ ___________ help in chemical reactions.






11. ______ are energy storage compounds.






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






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






14. Lipids are used to make _____________.






15. Lipids are ____ ______________ in cell membranes.






16. _____________ is where animals store carbohydrates.






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






18. _______________ consists of carbohydrates - proteins - and lipids.






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






20. _________________ are made of a single sugar unit.






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






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






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






24. ______________ are made of two monosaccharides combined together.






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






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






27. Synthesis of more complex substances from simpler ones.






28. Proteins help form antibodies for _____________.






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






30. __________ = glucose + fructose.






31. 100 g of fat = __________ of energy.






32. There are _____ types of protein structure.






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






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






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






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






37. __________________ are formed by MANY monosaccharides linked together.






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






39. Macronutrients consists of carbohydrates - __________ - and lipids.






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






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






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






43. _____________ is when a protein changes shape permanently.






44. ______ are the structural components of cell membranes.






45. _____________ is when a protein changes shape permanently.






46. The opposite of dehydration synthesis is _____________.






47. There are ______ kinds of lipids.






48. There are _____ types of protein structure.






49. __________ are the structural components of the cell.






50. __________ = galactose + glucose