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. _______________ can be found in potatoes - bread - corn - rice - fruit - etc -.






2. _______ are non-polar molecules.






3. Carbohydrates are structural material for ______ ______.






4. ______ of fat = 3870 kJ of energy.






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






6. ________ are used to maintain a body temperature.






7. ________ includes all fats and oils.






8. _______________ is the primary energy source for cells.






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






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






11. ___________: to lose a water molecule.






12. Proteins __________ ligaments - tendons - and skin.






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






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






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






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






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






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






19. 100 g of fat = __________ of energy.






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






21. _______________ can be found in potatoes - bread - corn - rice - fruit - etc -.






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






23. ______________ are made of two monosaccharides combined together.






24. Synthesis of more complex substances from simpler ones.






25. __________ = galactose + glucose






26. _____________ are found in plant cell walls.






27. _______________ are made of all sugar molecules.






28. ______ of carbs = 1680 kJ of energy.






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






30. There are ______ kinds of lipids.






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






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






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






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






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






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






37. __________ = glucose + glucose.






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






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






40. ________ are used to maintain a body temperature.






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






42. _______________ is the primary energy source for cells.






43. ________ includes all fats and oils.






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






45. _______________ are made of glycerol and two fatty acids and a phosphate group.






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






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






48. ______ are the structural components of cell membranes.






49. _______ are non-polar molecules.






50. Lipids are ____ ______________ in cell membranes.