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. Lipids __________ - and ____________ organs.






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






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






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






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






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






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






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






9. Nucleic acids are composed of _______ - phosphate - and nitrogenous bases.






10. ______ are energy storage compounds.






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






12. ___________: to lose a water molecule.






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






14. _____________ is when a protein changes shape temporarily.






15. __________ = glucose + fructose.






16. __________ = glucose + fructose.






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






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






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






20. _____________ is when a protein changes shape temporarily.






21. 100 g of carbs = __________ of energy.






22. Triglycerides can be _____________ - or _______________.






23. ___________: to lose a water molecule.






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






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






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






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






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






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






30. All _____________ have different proteins (amino acids)






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






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






33. Disaccharides are made of _____ __________________ combined together.






34. _____________ are found in plant cell walls.






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






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






37. All _____________ have different proteins (amino acids)






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






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






40. Monosaccharides are also called ________ __________.






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






42. ______ are energy storage compounds.






43. __________ are needed for fat soluble vitamins.






44. Carbohydrates are structural material for ______ ______.






45. Lipids are used to make _____________.






46. _____________ contain up to 1000 glucose molecules linked together.






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






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






49. __________ = glucose + glucose.






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