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






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






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






4. ____________: more than one sugar molecule.






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






6. Synthesis of more complex substances from simpler ones.






7. __________ are needed for fat soluble vitamins.






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






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






10. _____________ is when a protein changes shape temporarily.






11. 100 g of fat = __________ of energy.






12. _____________ are found in plant cell walls.






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






14. There are _____ types of protein structure.






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






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






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






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






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






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






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






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






23. Triglycerides can be _____________ - or _______________.






24. _______ are non-polar molecules.






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






26. Lipids are ____ ______________ in cell membranes.






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






28. __________ = galactose + glucose






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






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






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






32. There are ______ kinds of lipids.






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






34. ______ of carbs = 1680 kJ of energy.






35. __________ = glucose + glucose.






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






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






38. __________ _____ ___________ help in chemical reactions.






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






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






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






42. There are ________ types of carbohydrates.






43. ______ are the structural components of cell membranes.






44. ______________ are made of two monosaccharides combined together.






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






46. Lipids are used to make _____________.






47. _____________ is when a protein changes shape permanently.






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






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






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