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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 __________ ligaments - tendons - and skin.






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






3. _______________ is the primary energy source for cells.






4. _____________ _____________ _____________- coils of amino acids.






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






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






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






8. Lipids __________ - and ____________ organs.






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






10. There are ________ types of carbohydrates.






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






12. There are ______ kinds of lipids.






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






14. All _____________ have different proteins (amino acids)






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






16. ________________ consists of Vitamins and Minerals - and Nucleic Acids.






17. ________________ consists of Vitamins and Minerals - and Nucleic Acids.






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






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






20. _______________ is the primary energy source for cells.






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






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






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






24. ________ are used to maintain a body temperature.






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






26. There are ________ types of carbohydrates.






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






28. ______ of fat = 3870 kJ of energy.






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






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






31. __________ = galactose + glucose






32. 100 g of fat = __________ of energy.






33. Proteins create ___________ that bring reactants together faster or slower.






34. Proteins create ___________ that bring reactants together faster or slower.






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






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






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






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






39. ______ of carbs = 1680 kJ of energy.






40. __________ are needed for fat soluble vitamins.






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






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






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






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






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






46. _________________ are made of a single sugar unit.






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






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






49. The opposite of dehydration synthesis is _____________.






50. Disaccharides are made of _____ __________________ combined together.







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