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






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






3. Proteins __________ ligaments - tendons - and skin.






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






5. __________ = glucose + glucose.






6. Synthesis of more complex substances from simpler ones.






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






8. __________ _____ ___________ help in chemical reactions.






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






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






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






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






13. ______ of carbs = 1680 kJ of energy.






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






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






16. _____________ is where animals store carbohydrates.






17. Disaccharides are made of _____ __________________ combined together.






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






19. Proteins help form antibodies for _____________.






20. Monosaccharides are also called ________ __________.






21. There are ________ types of carbohydrates.






22. There are ________ types of carbohydrates.






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






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






25. The opposite of dehydration synthesis is _____________.






26. __________ = glucose + fructose.






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






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






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






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






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






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






33. ________ includes all fats and oils.






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






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






36. _____________ are found in plant cell walls.






37. All lipids are made of two structural units: ___________ - and _______ ______.






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






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






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






41. Amino acids are made of ________ _____ - _____________ - ___________ _______ - and _____________.






42. There are ______ kinds of lipids.






43. Proteins are composed of ______ ______.






44. ___________: to lose a water molecule.






45. __________ are the structural components of the cell.






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






47. ________ are used to maintain a body temperature.






48. _______________ are fast sources of energy.






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






50. Lipids are ____ ______________ in cell membranes.