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






2. ______ are the structural components of cell membranes.






3. Monosaccharides are also called ________ __________.






4. There are _____ types of protein structure.






5. ______ of carbs = 1680 kJ of energy.






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






7. Nucleic acids are composed of _______ - ____________ - and _____________ bases.






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






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






10. There are ________ types of carbohydrates.






11. The opposite of dehydration synthesis is _____________.






12. Disaccharides are made of _____ __________________ combined together.






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






14. _____________ are found in plant cell walls.






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






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






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






18. ___________: to lose a water molecule.






19. There are _____ types of protein structure.






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






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






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






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






24. Proteins help form antibodies for _____________.






25. ______ are the structural components of cell membranes.






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






27. Lipids are ____ ______________ in cell membranes.






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






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






30. Proteins are composed of ______ ______.






31. 100 g of fat = __________ of energy.






32. Carbohydrates are made of all ________ ____________.






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






34. __________ = glucose + glucose.






35. _____________ _____________ _____________- coils of amino acids.






36. _______________ are fast sources of energy.






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






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






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






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






41. Proteins are composed of ______ ______.






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






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






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






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






46. _____________ molecules are not negatively or positively charged.






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






48. ____________ creates cholesterol - estrogen and pheromones.






49. _________________ are made of a single sugar unit.






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