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 fast sources of energy.






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






3. ________ are used to maintain a body temperature.






4. _____________ are found in plant cell walls.






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






6. _______________ are made of all sugar molecules.






7. _______________ is the primary energy source for cells.






8. __________ = galactose + glucose






9. Carbohydrates are made of all ________ ____________.






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






11. _____________ store energy in the form of fat.






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






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






14. Micronutrients consists of Vitamins and Minerals - and _________ ______.






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






16. _____________ is where animals store carbohydrates.






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






18. __________________________ can be changed when exposed to excess heat - radiation - or change in pH.






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






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






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






22. _______________ are made of all sugar molecules.






23. 100 g of carbs = __________ of energy.






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






25. _______________ is the primary energy source for cells.






26. _____________ store energy in the form of fat.






27. Proteins __________ ligaments - tendons - and skin.






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






29. __________ _____ ___________ help in chemical reactions.






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






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






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






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






34. _____________ _____________ _____________- coils of amino acids.






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






36. Disaccharides are made of _____ __________________ combined together.






37. ______ of carbs = 1680 kJ of energy.






38. _____________ is when a protein changes shape temporarily.






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






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






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






42. ______ are the structural components of cell membranes.






43. __________ = glucose + fructose.






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






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






46. __________ are needed for fat soluble vitamins.






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






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






49. Monosaccharides are also called ________ __________.






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