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. Disaccharides are made of _____ __________________ combined together.






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






3. ______ are the structural components of cell membranes.






4. ________ includes all fats and oils.






5. _____________ molecules are not negatively or positively charged.






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






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






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






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






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






11. _____________ ________ _____ are the eight amino acids our body cannot make.






12. _______________ can have one single sugar molecule or can be polymers.






13. All _____________ have different proteins (amino acids)






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






15. _______ are non-polar molecules.






16. Triglycerides can be _____________ - or _______________.






17. _____________ is where animals store carbohydrates.






18. Breakdown of more complex substances into simpler ones with release of energy.






19. Proteins are composed of ______ ______.






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






21. ___________: combining two things together to make something new.






22. ________ are used to maintain a body temperature.






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






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






25. Monosaccharides are also called ________ __________.






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






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






28. _____________ is when a protein changes shape temporarily.






29. Lipids are ____ ______________ in cell membranes.






30. There are __________ different kinds of Amino acids. __________ can be made in our bodies - while ________ is acquired through eating food.






31. There are ______ kinds of lipids.






32. __________ = glucose + fructose.






33. __________ = glucose + fructose.






34. ____________ creates cholesterol - estrogen and pheromones.






35. _______________ is the primary energy source for cells.






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






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






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






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






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






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






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






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






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






45. Carbohydrates are structural material for ______ ______.






46. Lipids are ____ ______________ in cell membranes.






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






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






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






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