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






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






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






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






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






6. _____________ is when a protein changes shape permanently.






7. _____________ _____________ _____________- a single chain of sequenced amino acids.






8. Monosaccharides are also called ________ __________.






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






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






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






12. Disaccharides are made of _____ __________________ combined together.






13. 100 g of fat = __________ of energy.






14. _____________ is when a protein changes shape temporarily.






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






16. 100 g of carbs = __________ of energy.






17. _________________ are made of a single sugar unit.






18. __________ = glucose + glucose.






19. _____________ is when a protein changes shape permanently.






20. __________________ are formed by MANY monosaccharides linked together.






21. ____________ creates cholesterol - estrogen and pheromones.






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






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






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






25. Macronutrients consists of ______________ - proteins - and lipids.






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






27. _____________ _____________ _____________- coils of amino acids.






28. __________ = glucose + glucose.






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






30. Lipids __________ - and ____________ organs.






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






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






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






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






35. __________ = galactose + glucose






36. Proteins help form antibodies for _____________.






37. _______________ is the primary energy source for cells.






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






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






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






41. _____________ molecules are not negatively or positively charged.






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






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






44. ________ are used to maintain a body temperature.






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






46. Lipids __________ - and ____________ organs.






47. Some examples of Monosaccharides are Glucose - Galactose - __________.






48. There are ______ kinds of lipids.






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






50. Proteins are composed of ______ ______.