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. Synthesis of more complex substances from simpler ones.






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






3. Lipids __________ - and ____________ organs.






4. ______________ _______________ : single bonds exist between carbons - they are stable and hard to break down so they will remain in our body longer. animal sources






5. All _____________ have different proteins (amino acids)






6. _____________ molecules are not negatively or positively charged.






7. _____________ store energy in the form of fat.






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






9. 100 g of carbs = __________ of energy.






10. _______________ are fast sources of energy.






11. There are ________ types of carbohydrates.






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






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






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






15. __________ are needed for fat soluble vitamins.






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






17. Nucleic acids are composed of sugar ____________ - and nitrogenous bases.






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






19. __________ are the structural components of the cell.






20. Proteins are composed of ______ ______.






21. Lipids __________ - and ____________ organs.






22. ________ are used to maintain a body temperature.






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






24. The opposite of dehydration synthesis is _____________.






25. The two types of starches are ___________ - and ______________.






26. ______ of fat = 3870 kJ of energy.






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






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






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






30. The two types of starches are ___________ - and ______________.






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






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






33. ______ of carbs = 1680 kJ of energy.






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






35. ___________: to lose a water molecule.






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






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






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






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






40. ______ are energy storage compounds.






41. Triglycerides can be _____________ - or _______________.






42. _____________ _____________ _____________- coils of amino acids.






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






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






45. __________ = galactose + glucose






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






47. _____________ _____________ _____________- coils of amino acids.






48. _____________ is when a protein changes shape permanently.






49. __________________ are formed by MANY monosaccharides linked together.






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