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






2. _______________ are fast sources of energy.






3. ______________ are made of two monosaccharides combined together.






4. __________________ are formed by MANY monosaccharides linked together.






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






6. _______________ is the primary energy source for cells.






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






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






9. ______ of fat = 3870 kJ of energy.






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






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






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






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






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






15. Triglycerides can be _____________ - or _______________.






16. ________ are used to maintain a body temperature.






17. ______________ _______________ : single bonds exist between carbons - they are stable and hard to break down so they will remain in our body longer. animal sources






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






19. Carbohydrates are made of all ________ ____________.






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






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






22. __________ _____ ___________ help in chemical reactions.






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






24. There are ________ types of carbohydrates.






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






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






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






28. Macronutrients consists of _______________ - _________ - and _______.






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






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






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






32. __________ are needed for fat soluble vitamins.






33. _______________ are made of all sugar molecules.






34. Triglycerides can be _____________ - or _______________.






35. Proteins __________ ligaments - tendons - and skin.






36. __________ are needed for fat soluble vitamins.






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






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






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






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






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






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






43. __________________ are formed by MANY monosaccharides linked together.






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






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






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






47. __________ are the structural components of the cell.






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






49. There are ______ kinds of lipids.






50. __________ _____ ___________ help in chemical reactions.