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






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






3. ____________: more than one sugar molecule.






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






5. 100 g of carbs = __________ of energy.






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






7. The opposite of dehydration synthesis is _____________.






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






9. Carbohydrates are made of all ________ ____________.






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






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






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






13. Carbohydrates are structural material for ______ ______.






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






15. All _____________ have different proteins (amino acids)






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






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






18. Disaccharides are made of _____ __________________ combined together.






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






20. __________ = glucose + fructose.






21. _______________ are made of all sugar molecules.






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






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






24. The three types of Polysaccharides are _____________ - _____________ - and _____________.






25. Proteins create _____________ that affect growth and serve as messengers.






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






27. ______________ are made of two monosaccharides combined together.






28. Proteins are composed of ______ ______.






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






30. Macronutrients consists of carbohydrates - proteins - and _______.






31. When two monosaccharides combine together - the chemical reaction is call _____________ _____________.






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






33. _______________ are fast sources of energy.






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






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






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






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






38. _____________ molecules are not negatively or positively charged.






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






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






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






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






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






44. ________ includes all fats and oils.






45. __________ are needed for fat soluble vitamins.






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






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






48. ______ are energy storage compounds.






49. 100 g of carbs = __________ of energy.






50. _____________ are found in plant cell walls.