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 used to maintain a body temperature.






2. Some examples of Monosaccharides are _________ - ___________ - __________.






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






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






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






6. Lipids are used to make _____________.






7. __________ _____ ___________ help in chemical reactions.






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






9. Proteins __________ ligaments - tendons - and skin.






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






11. _____________ molecules are not negatively or positively charged.






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






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






14. _____________ molecules are not negatively or positively charged.






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






16. ____________ creates cholesterol - estrogen and pheromones.






17. _____________ _____________ _____________- coils of amino acids.






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






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






20. _______________ are made of all sugar molecules.






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






22. __________ = glucose + fructose.






23. 100 g of fat = __________ of energy.






24. Proteins __________ ligaments - tendons - and skin.






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






26. Triglycerides can be _____________ - or _______________.






27. ______ of fat = 3870 kJ of energy.






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






29. _______________ are fast sources of energy.






30. __________ are the structural components of the cell.






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






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






33. ________ includes all fats and oils.






34. Carbohydrates are made of all ________ ____________.






35. There are ________ types of carbohydrates.






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






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






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






39. ______ of carbs = 1680 kJ of energy.






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






41. Lipids are ____ ______________ in cell membranes.






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






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






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






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






46. There are ______ kinds of lipids.






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






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






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






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