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. ____________ creates cholesterol - estrogen and pheromones.






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






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






4. ______ of carbs = 1680 kJ of energy.






5. Triglycerides can be _____________ - or _______________.






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






7. All _____________ have different proteins (amino acids)






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






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






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






11. _______________ are fast sources of energy.






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






13. __________ = glucose + glucose.






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






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






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






17. ____________ creates cholesterol - estrogen and pheromones.






18. ______ are energy storage compounds.






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






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






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






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






23. _________________ are made of a single sugar unit.






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






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






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






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






28. _____________ _____________ _____________- coils of amino acids.






29. _____________ store energy in the form of fat.






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






31. _________________ are made of a single sugar unit.






32. 100 g of fat = __________ of energy.






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






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






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






36. _______ are non-polar molecules.






37. _____________ is when a protein changes shape permanently.






38. Lipids are ____ ______________ in cell membranes.






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






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






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






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






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






44. Lipids are used to make _____________.






45. ___________: to lose a water molecule.






46. Proteins are composed of ______ ______.






47. Phospholipids forms a _________ _____________ _____________ _____________ that is essential for structure and function.






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






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






50. Monosaccharides are also called ________ __________.