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. ______ of fat = 3870 kJ of energy.






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






3. Proteins help form antibodies for _____________.






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






5. ____________: more than one sugar molecule.






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






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






8. ________ includes all fats and oils.






9. ______ are the structural components of cell membranes.






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






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






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






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






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






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






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






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






18. _______________ are fast sources of energy.






19. __________ are needed for fat soluble vitamins.






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






21. Disaccharides are made of _____ __________________ combined together.






22. _______________ are made of all sugar molecules.






23. All _____________ have different proteins (amino acids)






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






25. _____________ is when a protein changes shape permanently.






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






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






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






29. _______________ is the primary energy source for cells.






30. ______ are the structural components of cell membranes.






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






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






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






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






35. _____________ _____________ _____________- coils of amino acids.






36. 100 g of fat = __________ of energy.






37. ______________ are made of two monosaccharides combined together.






38. Monosaccharides are also called ________ __________.






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






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






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






42. __________________ are formed by MANY monosaccharides linked together.






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






44. Disaccharides are made of _____ __________________ combined together.






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






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






47. _________________ are made of a single sugar unit.






48. Monosaccharides are also called ________ __________.






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






50. _____________ molecules are not negatively or positively charged.