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 made of two monosaccharides combined together.






2. _____________ is when a protein changes shape permanently.






3. Disaccharides are made of _____ __________________ combined together.






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






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






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






7. ______________ are made of two monosaccharides combined together.






8. ___________: to lose a water molecule.






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






10. __________ = glucose + fructose.






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






12. Lipids are ____ ______________ in cell membranes.






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






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






15. Lipids __________ - and ____________ organs.






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






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






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






19. _______________ is the primary energy source for cells.






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






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






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






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






24. ______ of fat = 3870 kJ of energy.






25. _____________ molecules are not negatively or positively charged.






26. ____________ creates cholesterol - estrogen and pheromones.






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






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






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






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






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






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






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






34. _______ are non-polar molecules.






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






36. __________ are needed for fat soluble vitamins.






37. __________ = glucose + glucose.






38. _________________ are made of a single sugar unit.






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






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






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






42. __________ are needed for fat soluble vitamins.






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






44. Proteins are composed of ______ ______.






45. Proteins __________ ligaments - tendons - and skin.






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






47. __________________ are formed by MANY monosaccharides linked together.






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






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






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