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






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






3. _______ are non-polar molecules.






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






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






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






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






8. There are ________ types of carbohydrates.






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






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






11. _______________ ______________: double bonds exist between carbons - they are unstable and easy to break down. plant sources






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






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






14. __________ = glucose + fructose.






15. Carbohydrates are made of all ________ ____________.






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






17. Proteins are composed of ______ ______.






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






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






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






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






22. There are ________ types of carbohydrates.






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






24. ________ are used to maintain a body temperature.






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






26. The 200 000 chemical reactions that takes place in the cells of your body is called _____________.






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






28. Phospholipids have a _______ head - and a _____________ tail.






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






30. _____________ molecules are not negatively or positively charged.






31. _____________ molecules are not negatively or positively charged.






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






33. 100 g of fat = __________ of energy.






34. Lipids are used to make _____________.






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






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






37. _____________ is when a protein changes shape temporarily.






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






39. _______________ is the primary energy source for cells.






40. __________ = glucose + fructose.






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






42. The three types of Polysaccharides are _____________ - glycogen - and cellulose.






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






44. __________________ are formed by MANY monosaccharides linked together.






45. _________________ are made of a single sugar unit.






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






47. Macronutrients consists of _______________ - _________ - and _______.






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






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






50. _________________ are made of a single sugar unit.