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 important for long-term storage of energy.






2. _______________ are made of all sugar molecules.






3. _____________ _____________ _____________- coils of amino acids.






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






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






6. __________ = glucose + fructose.






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






8. Carbohydrates are made of all ________ ____________.






9. _____________ is when a protein changes shape permanently.






10. ________ are used to maintain a body temperature.






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






12. ______ are the structural components of cell membranes.






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






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






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






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






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






18. _____________ are made of building blocks called amino acids. Found in meat - eggs - fish - nuts - beans - dairy.






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






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






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






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






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






24. __________ = glucose + glucose.






25. There are _____ types of protein structure.






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






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






28. Carbohydrates are structural material for ______ ______.






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






30. ________ includes all fats and oils.






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






32. ____________: more than one sugar molecule.






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






34. Proteins help form antibodies for _____________.






35. _____________ is when a protein changes shape temporarily.






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






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






38. There are _____ types of protein structure.






39. ______________ are made of two monosaccharides combined together.






40. __________ = glucose + fructose.






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






42. __________ = galactose + glucose






43. _____________ molecules are not negatively or positively charged.






44. __________ are needed for fat soluble vitamins.






45. 100 g of carbs = __________ of energy.






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






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






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






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






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