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. Proteins __________ ligaments - tendons - and skin.






2. Carbohydrates are structural material for ______ ______.






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






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






5. Disaccharides are made of _____ __________________ combined together.






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






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






8. _______________ is the primary energy source for cells.






9. Triglycerides can be _____________ - or _______________.






10. __________ are the structural components of the cell.






11. All lipids are made of two structural units: ___________ - and _______ ______.






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






13. 100 g of carbs = __________ of energy.






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






15. _______________ are fast sources of energy.






16. Proteins are composed of ______ ______.






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






18. ____________ creates cholesterol - estrogen and pheromones.






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






20. __________ = galactose + glucose






21. __________ = galactose + glucose






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






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






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






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






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






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






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






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






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






31. Lipids are ____ ______________ in cell membranes.






32. 100 g of fat = __________ of energy.






33. _________________ are made of a single sugar unit.






34. _______________ are fast sources of energy.






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






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






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






38. Proteins __________ ligaments - tendons - and skin.






39. ______ are the structural components of cell membranes.






40. ___________: to lose a water molecule.






41. __________ = glucose + fructose.






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






43. Disaccharides are made of _____ __________________ combined together.






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






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






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






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






48. _____________ store energy in the form of fat.






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






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