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






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






3. All _____________ have different proteins (amino acids)






4. Lipids are used to make _____________.






5. __________________ are formed by MANY monosaccharides linked together.






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






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






8. Proteins help form antibodies for _____________.






9. Carbohydrates are structural material for ______ ______.






10. Carbohydrates are made of all ________ ____________.






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






12. __________________ are formed by MANY monosaccharides linked together.






13. ________ are used to maintain a body temperature.






14. ____________ creates cholesterol - estrogen and pheromones.






15. Proteins are composed of ______ ______.






16. ______________ are made of two monosaccharides combined together.






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






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






19. The 200 000 chemical reactions that takes place in the cells of your body is called _____________.






20. _____________ contain up to 1000-6000 glucose molecules linked together.






21. _____________ molecules are not negatively or positively charged.






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






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






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






25. ____________: more than one sugar molecule.






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






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






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






29. Vitamins and Minerals are often found in __________ _________.






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






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






32. _____________ are found in plant cell walls.






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






34. _________________ are made of a single sugar unit.






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






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






37. _____________ _____________ _____________- coils of amino acids.






38. Lipids are ____ ______________ in cell membranes.






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






40. _______________ are fast sources of energy.






41. There are _____ types of protein structure.






42. _____________ is when a protein changes shape temporarily.






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






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






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






46. Lipids __________ - and ____________ organs.






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






48. There are ________ types of carbohydrates.






49. ______ are energy storage compounds.






50. _________________ are made of a single sugar unit.