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. Vitamins and Minerals are often found in __________ _________.






2. _____________ _____________ _____________- coils of amino acids.






3. __________ = glucose + glucose.






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






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






6. Proteins are composed of ______ ______.






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






8. _____________ _____________ _____________- coils of amino acids.






9. _____________ molecules are not negatively or positively charged.






10. _______________ is the primary energy source for cells.






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






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






13. __________ are needed for fat soluble vitamins.






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






15. Synthesis of more complex substances from simpler ones.






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






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






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






19. _______________ are fast sources of energy.






20. The opposite of dehydration synthesis is _____________.






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






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






23. __________ are needed for fat soluble vitamins.






24. ____________ _______ are genetic material that directs cell activity.






25. _______________ are made of all sugar molecules.






26. _____________ is when a protein changes shape permanently.






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






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






29. ______________ are made of two monosaccharides combined together.






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






31. Disaccharides are made of _____ __________________ combined together.






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






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






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






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






36. Triglycerides can be _____________ - or _______________.






37. Lipids are used to make _____________.






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






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






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






41. Carbohydrates are made of all ________ ____________.






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






43. _______ are non-polar molecules.






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






45. __________________ are formed by MANY monosaccharides linked together.






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






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






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






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






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