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. Macronutrients consists of ______________ - proteins - and lipids.






2. Monosaccharides are also called ________ __________.






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






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






5. _______________ are fast sources of energy.






6. _____________ store energy in the form of fat.






7. ______________ are made of two monosaccharides combined together.






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






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






10. __________ = glucose + glucose.






11. There are _____ types of protein structure.






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






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






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






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






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






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






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






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






20. ______ of fat = 3870 kJ of energy.






21. 100 g of fat = __________ of energy.






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






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






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






25. _______ are non-polar molecules.






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






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






28. __________ = galactose + glucose






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






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






31. Carbohydrates are structural material for ______ ______.






32. ________ are used to maintain a body temperature.






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






34. ______ of carbs = 1680 kJ of energy.






35. ___________ are important for long-term storage of energy.






36. _____________ molecules are not negatively or positively charged.






37. Lipids are ____ ______________ in cell membranes.






38. ______ of carbs = 1680 kJ of energy.






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






40. _____________ _____________ _____________- coils of amino acids.






41. Lipids are ____ ______________ in cell membranes.






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






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






44. __________ _____ ___________ help in chemical reactions.






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 fast sources of energy.






47. Triglycerides can be _____________ - or _______________.






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






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






50. Lipids __________ - and ____________ organs.