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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 plant polysaccharides - stores energy for plants.






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






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






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






5. __________________ are formed by MANY monosaccharides linked together.






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






7. _____________ are found in plant cell walls.






8. There are _____ types of protein structure.






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






10. ______________ are made of two monosaccharides combined together.






11. 100 g of fat = __________ of energy.






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






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






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






15. The four kinds of lipids are _______________ - _______________ - ________ - and ___________.






16. ______ of carbs = 1680 kJ of energy.






17. ____________: when molecules have the same chemical formula but different structures.






18. __________ are needed for fat soluble vitamins.






19. Proteins __________ ligaments - tendons - and skin.






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






21. ______________ are acquired from plants. (Photosynthesis -> glucose)






22. Lipids are ____ ______________ in cell membranes.






23. ____________: when molecules have the same chemical formula but different structures.






24. _________________ are made of a single sugar unit.






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






26. 100 g of carbs = __________ of energy.






27. ____________ creates cholesterol - estrogen and pheromones.






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






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






30. ______ of fat = 3870 kJ of energy.






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






32. Some examples of Monosaccharides are _________ - Galactose - Fructose.






33. Synthesis of more complex substances from simpler ones.






34. Lipids __________ - and ____________ organs.






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






36. _____________ is when a protein changes shape permanently.






37. ________ includes all fats and oils.






38. _____________ is where animals store carbohydrates.






39. Carbohydrates are made of all ________ ____________.






40. Proteins help form antibodies for _____________.






41. Lipids are used to make _____________.






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






43. ____________: more than one sugar molecule.






44. _______________ are made of all sugar molecules.






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






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






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






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






49. Proteins help form antibodies for _____________.






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







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