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






2. ____________: more than one sugar molecule.






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






4. 100 g of carbs = __________ of energy.






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






6. _______________ are fast sources of energy.






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






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






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






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






11. The opposite of dehydration synthesis is _____________.






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






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






14. Monosaccharides are also called ________ __________.






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






16. Disaccharides are made of _____ __________________ combined together.






17. Proteins help form antibodies for _____________.






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






19. ________ includes all fats and oils.






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






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






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






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






24. __________ = glucose + glucose.






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






26. _____________ _____________ _____________- Two or more different tertiary structures interact forming large structure for a single protein.






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






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






29. _____________ is when a protein changes shape temporarily.






30. Proteins __________ ligaments - tendons - and skin.






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






32. ______________ are made of two monosaccharides combined together.






33. Monosaccharides are also called ________ __________.






34. The opposite of dehydration synthesis is _____________.






35. Lipids __________ - and ____________ organs.






36. ________ are very stable insoluble molecules. Used for waterproofing/ protection. Ex. Candles etc -.






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






38. ______ of fat = 3870 kJ of energy.






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






40. There are _____ types of protein structure.






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






42. Lipids are ____ ______________ in cell membranes.






43. ____________: more than one sugar molecule.






44. ______ are the structural components of cell membranes.






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






46. Carbohydrates are structural material for ______ ______.






47. _______________ are made of all sugar molecules.






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






49. __________ are needed for fat soluble vitamins.






50. ______ of carbs = 1680 kJ of energy.