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. Starches are _______ polysaccharides - stores energy for _______.






2. ______ of carbs = 1680 kJ of energy.






3. Carbohydrates are made of all ________ ____________.






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






5. ___________: to lose a water molecule.






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






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






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






9. Macronutrients consists of ______________ - proteins - and lipids.






10. _______________ are fast sources of energy.






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






12. Macronutrients consists of ______________ - proteins - and lipids.






13. Carbohydrates are structural material for ______ ______.






14. There are _____ types of protein structure.






15. Triglycerides can be _____________ - or _______________.






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






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






18. __________ are the structural components of the cell.






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






20. There are ________ types of carbohydrates.






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






22. Triglycerides can be _____________ - or _______________.






23. Proteins help _____________ important substances to different areas of the body.






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






25. Synthesis of more complex substances from simpler ones.






26. ______ are the structural components of cell membranes.






27. All _____________ have different proteins (amino acids)






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






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






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






31. ______ are the structural components of cell membranes.






32. _______ are non-polar molecules.






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






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






35. Monosaccharides are also called ________ __________.






36. ____________ _______ are genetic material that directs cell activity.






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






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






39. _____________ are made of building blocks called amino acids. Found in meat - eggs - fish - nuts - beans - dairy.






40. 100 g of fat = __________ of energy.






41. ______ are energy storage compounds.






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






43. ____________: more than one sugar molecule.






44. 100 g of carbs = __________ of energy.






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






46. _____________ is when a protein changes shape permanently.






47. ________ includes all fats and oils.






48. Lipids are used to make _____________.






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






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