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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. Macronutrients consists of ______________ - proteins - and lipids.






2. ___________: to lose a water molecule.






3. _______________ are made of all sugar molecules.






4. ______ of carbs = 1680 kJ of energy.






5. Micronutrients consists of Vitamins and Minerals - and _________ ______.






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






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






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






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






10. _________________ are made of a single sugar unit.






11. _____________ is when a protein changes shape permanently.






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






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






14. _____________ store energy in the form of fat.






15. _________________ are made of a single sugar unit.






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






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






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






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






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






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






22. Carbohydrates are made of all ________ ____________.






23. ________ includes all fats and oils.






24. _______________ are fast sources of energy.






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






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






27. ______ of carbs = 1680 kJ of energy.






28. __________ = glucose + fructose.






29. _____________ is when a protein changes shape temporarily.






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






31. Lipids __________ - and ____________ organs.






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






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






34. Starches are _______ polysaccharides - stores energy for _______.






35. ______ are the structural components of cell membranes.






36. __________ _____ ___________ help in chemical reactions.






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






38. _____________ is when a protein changes shape temporarily.






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






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






41. ________ are used to maintain a body temperature.






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






43. Synthesis of more complex substances from simpler ones.






44. _____________ contain up to 1000-6000 glucose molecules linked together.






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






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






47. __________ _____ ___________ help in chemical reactions.






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






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






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







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