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






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






3. ____________ creates cholesterol - estrogen and pheromones.






4. ___________: to lose a water molecule.






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






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






7. ______ are energy storage compounds.






8. _____________ _____________ _____________- coils of amino acids.






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






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






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






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






13. __________ _____ ___________ help in chemical reactions.






14. _____________ are found in plant cell walls.






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






16. 100 g of fat = __________ of energy.






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






18. _____________ molecules are not negatively or positively charged.






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






20. __________ = galactose + glucose






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






22. Synthesis of more complex substances from simpler ones.






23. All _____________ have different proteins (amino acids)






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






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






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






27. _______________ are made of all sugar molecules.






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






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






30. Triglycerides can be _____________ - or _______________.






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






32. ________ includes all fats and oils.






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






34. __________ _____ ___________ help in chemical reactions.






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






36. _______________ are made of all sugar molecules.






37. ________ are used to maintain a body temperature.






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






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






40. __________ are the structural components of the cell.






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






42. Proteins help keep our cells and muscles in _________.






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






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






45. ________ are used to maintain a body temperature.






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






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






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






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






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