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. Phospholipids have a _______ head - and a _____________ tail.






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






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






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






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






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






7. Every living thing requires a constant supply of __________ ___ ____________.






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






9. ________ includes all fats and oils.






10. Lipids __________ - and ____________ organs.






11. _______________ are fast sources of energy.






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






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






14. Nucleic acids are composed of _______ - phosphate - and nitrogenous bases.






15. _____________ store energy in the form of fat.






16. ______________ are made of two monosaccharides combined together.






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






18. Synthesis of more complex substances from simpler ones.






19. _______________ is the primary energy source for cells.






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






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






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






23. _____________ is when a protein changes shape temporarily.






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






25. __________ = galactose + glucose






26. Nucleic acids are composed of _______ - phosphate - and nitrogenous bases.






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






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






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






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






31. __________ _____ ___________ help in chemical reactions.






32. ______ are the structural components of cell membranes.






33. Synthesis of more complex substances from simpler ones.






34. Triglycerides can be _____________ - or _______________.






35. Carbohydrates are made of all ________ ____________.






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






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






38. Triglycerides can be _____________ - or _______________.






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






40. Proteins __________ ligaments - tendons - and skin.






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






42. Monosaccharides are also called ________ __________.






43. Lipids __________ - and ____________ organs.






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






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






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






47. _______________ is the primary energy source for cells.






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






49. _____________ store energy in the form of fat.






50. __________________ are formed by MANY monosaccharides linked together.