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 found in plant cell walls.






2. __________ _____ ___________ help in chemical reactions.






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






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






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






6. __________ = glucose + glucose.






7. Synthesis of more complex substances from simpler ones.






8. _____________ store energy in the form of fat.






9. ____________ creates cholesterol - estrogen and pheromones.






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






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






12. Micronutrients consists of __________ _____ _________ - and Nucleic Acids.






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






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






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






16. Proteins __________ ligaments - tendons - and skin.






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






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






19. _____________ is where animals store carbohydrates.






20. All _____________ have different proteins (amino acids)






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






22. Proteins help form antibodies for _____________.






23. Phospholipids forms a _________ _____________ _____________ _____________ that is essential for structure and function.






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






25. Proteins help _____________ important substances to different areas of the body.






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






27. _______ are non-polar molecules.






28. ______ are energy storage compounds.






29. __________ = galactose + glucose






30. _____________ are found in plant cell walls.






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






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






33. Proteins __________ ligaments - tendons - and skin.






34. There are ______ kinds of lipids.






35. ____________ creates cholesterol - estrogen and pheromones.






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






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






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






39. _________________ are made of a single sugar unit.






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






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






42. Synthesis of more complex substances from simpler ones.






43. _____________ is when a protein changes shape temporarily.






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






45. Macronutrients consists of ______________ - proteins - and lipids.






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






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






48. __________ = glucose + fructose.






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






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