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. There are ________ types of carbohydrates.






2. Carbohydrates are made of all ________ ____________.






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






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






5. ______________ are acquired from plants. (Photosynthesis -> glucose)






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






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






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






9. __________ = galactose + glucose






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






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






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






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






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






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






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






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






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






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






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






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






22. Synthesis of more complex substances from simpler ones.






23. _____________ _____________ _____________- Two or more different tertiary structures interact forming large structure for a single protein.






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






25. Starches are _______ polysaccharides - stores energy for _______.






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






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






28. _____________ molecules are not negatively or positively charged.






29. _____________ is where animals store carbohydrates.






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






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






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






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






34. __________ are needed for fat soluble vitamins.






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






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






37. _____________ contain up to 1000-6000 glucose molecules linked together.






38. _____________ is when a protein changes shape permanently.






39. _____________ store energy in the form of fat.






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






41. ___________: to lose a water molecule.






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






43. There are ______ kinds of lipids.






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






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






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






47. __________ are the structural components of the cell.






48. ________ includes all fats and oils.






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






50. __________ _____ ___________ help in chemical reactions.