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






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






3. The opposite of dehydration synthesis is _____________.






4. ________ includes all fats and oils.






5. Lipids __________ - and ____________ organs.






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






7. __________ are the structural components of the cell.






8. ____________ creates cholesterol - estrogen and pheromones.






9. ____________ creates cholesterol - estrogen and pheromones.






10. _______________ is the primary energy source for cells.






11. Lipids are ____ ______________ in cell membranes.






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






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






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






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






16. ______ of carbs = 1680 kJ of energy.






17. ______ are the structural components of cell membranes.






18. ___________: combining two things together to make something new.






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






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






21. ___________: to lose a water molecule.






22. _____________ is when a protein changes shape temporarily.






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






24. _______________ ______________: double bonds exist between carbons - they are unstable and easy to break down. plant sources






25. __________ are needed for fat soluble vitamins.






26. The opposite of dehydration synthesis is _____________.






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






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






29. Proteins help _____________ important substances to different areas of the body.






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






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






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






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






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






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






36. The 200 000 chemical reactions that takes place in the cells of your body is called _____________.






37. Carbohydrates are structural material for ______ ______.






38. ________ includes all fats and oils.






39. ______ are the structural components of cell membranes.






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






41. There are ________ types of carbohydrates.






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






43. Monosaccharides are also called ________ __________.






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






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






46. 100 g of carbs = __________ of energy.






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






48. __________ _____ ___________ help in chemical reactions.






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






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