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






2. ______ are energy storage compounds.






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






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






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






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






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






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






9. Proteins are composed of ______ ______.






10. Carbohydrates are made of all ________ ____________.






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






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






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






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






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






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






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






18. ________ includes all fats and oils.






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






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






21. _________________ are made of a single sugar unit.






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






23. 100 g of carbs = __________ of energy.






24. _______________ can have one single sugar molecule or can be polymers.






25. There are ______ kinds of lipids.






26. The opposite of dehydration synthesis is _____________.






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






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






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






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






31. Lipids __________ - and ____________ organs.






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






33. __________ are needed for fat soluble vitamins.






34. __________ = galactose + glucose






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






36. There are ______ kinds of lipids.






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






38. 100 g of fat = __________ of energy.






39. Synthesis of more complex substances from simpler ones.






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






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






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






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






44. _____________ store energy in the form of fat.






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






46. ______ of carbs = 1680 kJ of energy.






47. Some examples of Monosaccharides are Glucose - Galactose - __________.






48. Triglycerides can be _____________ - or _______________.






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






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