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






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






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






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






5. ________ includes all fats and oils.






6. Proteins are composed of ______ ______.






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






8. There are __________ different kinds of Amino acids. __________ can be made in our bodies - while ________ is acquired through eating food.






9. _____________ molecules are not negatively or positively charged.






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






11. __________ are needed for fat soluble vitamins.






12. __________ are the structural components of the cell.






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






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






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






16. __________ = glucose + fructose.






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






18. _______________ is the primary energy source for cells.






19. Proteins __________ ligaments - tendons - and skin.






20. _____________ _____________ _____________- coils of amino acids.






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






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






23. _____________ is when a protein changes shape permanently.






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






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






26. All _____________ have different proteins (amino acids)






27. ______ are energy storage compounds.






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






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






30. _________________ are made of a single sugar unit.






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






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






33. Phospholipds have a _____________ head - and a _______________ tail.






34. ______ are energy storage compounds.






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






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






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






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






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






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






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






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






43. Micronutrients consists of __________ _____ _________ - and Nucleic Acids.






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






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






46. ______ are the structural components of cell membranes.






47. __________ _____ ___________ help in chemical reactions.






48. 100 g of carbs = __________ of energy.






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






50. Carbohydrates are made of all ________ ____________.