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. __________ _____ ___________ help in chemical reactions.






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






3. __________ are needed for fat soluble vitamins.






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






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






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






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






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






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






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






11. ________________ consists of Vitamins and Minerals - and Nucleic Acids.






12. Triglycerides can be _____________ - or _______________.






13. _____________ is where animals store carbohydrates.






14. Proteins create ___________ that bring reactants together faster or slower.






15. Carbohydrates are made of all ________ ____________.






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






17. __________________ are formed by MANY monosaccharides linked together.






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






19. Proteins help form antibodies for _____________.






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






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






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






23. _______________ are made of all sugar molecules.






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






25. ______ are the structural components of cell membranes.






26. There are ________ types of carbohydrates.






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






28. All _____________ have different proteins (amino acids)






29. ___________: to lose a water molecule.






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






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






32. _____________ is when a protein changes shape temporarily.






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






34. _______________ are made of all sugar molecules.






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






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






37. Some examples of Monosaccharides are Glucose - ___________ - Fructose.






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






39. Micronutrients consists of Vitamins and Minerals - and _________ ______.






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






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






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






43. Proteins create ___________ that bring reactants together faster or slower.






44. _____________ _____________ _____________- Two or more different tertiary structures interact forming large structure for a single protein.






45. There are ________ types of carbohydrates.






46. The opposite of dehydration synthesis is _____________.






47. Every living thing requires a constant supply of __________ ___ ____________.






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






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






50. ________ are used to maintain a body temperature.