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. Macronutrients consists of ______________ - proteins - and lipids.






2. __________ are the structural components of the cell.






3. Lipids are ____ ______________ in cell membranes.






4. Lipids __________ - and ____________ organs.






5. ________ are used to maintain a body temperature.






6. Triglycerides can be _____________ - or _______________.






7. __________ are needed for fat soluble vitamins.






8. ______________ are made of two monosaccharides combined together.






9. Macronutrients consists of carbohydrates - proteins - and _______.






10. ____________ creates cholesterol - estrogen and pheromones.






11. _______ are non-polar molecules.






12. There are ________ types of carbohydrates.






13. _______________ are fast sources of energy.






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






15. _______________ is the primary energy source for cells.






16. ____________: more than one sugar molecule.






17. __________ _____ ___________ help in chemical reactions.






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






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






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






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






22. __________ _____ ___________ help in chemical reactions.






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






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






25. ______ of carbs = 1680 kJ of energy.






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






27. Disaccharides are made of _____ __________________ combined together.






28. _______________ can have one single sugar molecule or can be polymers.






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






30. Monosaccharides are also called ________ __________.






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






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






33. _____________ is when a protein changes shape temporarily.






34. __________ = galactose + glucose






35. ________ includes all fats and oils.






36. Lipids are used to make _____________.






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






38. Synthesis of more complex substances from simpler ones.






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






40. _____________ _____________ _____________- coils of amino acids.






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






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






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






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






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






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






47. __________________ are formed by MANY monosaccharides linked together.






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






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






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