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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. _____________ are plant polysaccharides - stores energy for plants.






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






3. __________ = glucose + fructose.






4. ______ of carbs = 1680 kJ of energy.






5. ______ are energy storage compounds.






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






7. ______ are the structural components of cell membranes.






8. ______________ are made of two monosaccharides combined together.






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






10. _____________ _____________ _____________- coils of amino acids.






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






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






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






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






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






16. ________ are used to maintain a body temperature.






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






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






19. ________ are used to maintain a body temperature.






20. 100 g of carbs = __________ of energy.






21. Triglycerides can be _____________ - or _______________.






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






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






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






25. _______________ is the primary energy source for cells.






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






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






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






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






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






31. ______ are the structural components of cell membranes.






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






33. There are __________ different kinds of Amino acids. __________ can be made in our bodies - while ________ is acquired through eating food.






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






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






36. _____________ ________ _____ are the eight amino acids our body cannot make.






37. All _____________ have different proteins (amino acids)






38. _______ are non-polar molecules.






39. ________________ usually have a molecular formula ratio of C:H:O in 1:2:1.






40. Lipids are ____ ______________ in cell membranes.






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






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






43. __________ = galactose + glucose






44. Proteins help form antibodies for _____________.






45. __________ are needed for fat soluble vitamins.






46. __________ _____ ___________ help in chemical reactions.






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






48. 100 g of fat = __________ of energy.






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






50. Proteins are composed of ______ ______.







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