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






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






3. ______ of fat = 3870 kJ of energy.






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






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






6. ______ are the structural components of cell membranes.






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






8. Carbohydrates are made of all ________ ____________.






9. Proteins help form antibodies for _____________.






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






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






12. ___________: to lose a water molecule.






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






14. Lipids __________ - and ____________ organs.






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






16. __________ = glucose + fructose.






17. The opposite of dehydration synthesis is _____________.






18. The opposite of dehydration synthesis is _____________.






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






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






21. ______ are the structural components of cell membranes.






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






23. _____________ look like amylopectin but only have 16-24 glucose on each branch.






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






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






26. __________________ are formed by MANY monosaccharides linked together.






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






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






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






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






31. _____________ are made of one glycerol and three fatty acid chains.






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






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






34. __________ _____ ___________ help in chemical reactions.






35. ______________ are acquired from plants. (Photosynthesis -> glucose)






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






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






38. Carbohydrates are structural material for ______ ______.






39. There are ________ types of carbohydrates.






40. There are _____ types of protein structure.






41. 100 g of fat = __________ of energy.






42. _____________ _____________ _____________- coils of amino acids.






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






44. _____________ is when a protein changes shape permanently.






45. Lipids are ____ ______________ in cell membranes.






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






47. There are ______ kinds of lipids.






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






49. _____________ is when a protein changes shape temporarily.






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