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. ______________ are made of two monosaccharides combined together.






2. The opposite of dehydration synthesis is _____________.






3. ______ are energy storage compounds.






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






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






6. __________ _____ ___________ help in chemical reactions.






7. Proteins __________ ligaments - tendons - and skin.






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






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






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






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






12. Lipids __________ - and ____________ organs.






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






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






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






16. Carbohydrates are structural material for ______ ______.






17. ____________ creates cholesterol - estrogen and pheromones.






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






19. ___________ are important for long-term storage of energy.






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






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






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






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






24. ____________: more than one sugar molecule.






25. _____________ store energy in the form of fat.






26. There are _____ types of protein structure.






27. _____________ is when a protein changes shape permanently.






28. _____________ is when a protein changes shape temporarily.






29. ______ of fat = 3870 kJ of energy.






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






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






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






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






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






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






36. _______________ is the primary energy source for cells.






37. _______________ are fast sources of energy.






38. Synthesis of more complex substances from simpler ones.






39. Proteins help form antibodies for _____________.






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






41. _____________ _____________ _____________- coils of amino acids.






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






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






44. Proteins __________ ligaments - tendons - and skin.






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






46. __________ = glucose + glucose.






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






48. ____________: more than one sugar molecule.






49. __________ are needed for fat soluble vitamins.






50. _____________ molecules are not negatively or positively charged.