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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. __________ = glucose + fructose.






2. _____________ molecules are not negatively or positively charged.






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






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






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






6. Disaccharides are made of _____ __________________ combined together.






7. Proteins create _____________ that affect growth and serve as messengers.






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






9. Proteins are made when many many amino acids combine together through _____________ _____________.






10. _____________ _____________ _____________- coils of amino acids.






11. _____________ are made of one glycerol and three fatty acid chains.






12. Proteins are composed of ______ ______.






13. _______ are non-polar molecules.






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






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






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






17. ______ of fat = 3870 kJ of energy.






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






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






20. _______________ are fast sources of energy.






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






22. Lipids __________ - and ____________ organs.






23. Triglycerides can be _____________ - or _______________.






24. __________ are the structural components of the cell.






25. There are ________ types of carbohydrates.






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






27. The three types of Polysaccharides are starch - _____________ - and cellulose.






28. ___________: to lose a water molecule.






29. All _____________ have different proteins (amino acids)






30. ______ of fat = 3870 kJ of energy.






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






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






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






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






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






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






37. _____________ is where animals store carbohydrates.






38. __________ are needed for fat soluble vitamins.






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






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






41. Carbohydrates are made of all ________ ____________.






42. There are ________ types of carbohydrates.






43. ________ are used to maintain a body temperature.






44. _______________ are made of all sugar molecules.






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






46. Triglycerides can be _____________ - or _______________.






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






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






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






50. Lipids are ____ ______________ in cell membranes.







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