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 ____________ - and nitrogenous bases.






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






3. _____________ are made of one glycerol and three fatty acid chains.






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






5. _____________ is when a protein changes shape temporarily.






6. _____________ is when a protein changes shape permanently.






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






8. __________ = glucose + glucose.






9. _______________ are fast sources of energy.






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






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






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






13. ___________: to lose a water molecule.






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






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






16. __________ _____ ___________ help in chemical reactions.






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






18. Proteins help form antibodies for _____________.






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






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






21. ____________ creates cholesterol - estrogen and pheromones.






22. All _____________ have different proteins (amino acids)






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






24. ________ are used to maintain a body temperature.






25. _____________ _____________ _____________- coils of amino acids.






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






27. The bond formed between two amino acids are called a __________ ______.






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






29. ________________ consists of Vitamins and Minerals - and Nucleic Acids.






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






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






32. ________ are used to maintain a body temperature.






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






34. __________ are needed for fat soluble vitamins.






35. Carbohydrates are structural material for ______ ______.






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






37. There are ________ types of carbohydrates.






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






39. Lipids are used to make _____________.






40. There are _____ types of protein structure.






41. ______________ are made of two monosaccharides combined together.






42. _____________ molecules are not negatively or positively charged.






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






44. Carbohydrates are made of all ________ ____________.






45. ___________: to lose a water molecule.






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






47. Micronutrients consists of Vitamins and Minerals - and _________ ______.






48. ________ includes all fats and oils.






49. _________________ are made of a single sugar unit.






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