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. ______________ are acquired from plants. (Photosynthesis -> glucose)






3. Proteins are composed of ______ ______.






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






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






6. ________ includes all fats and oils.






7. There are _____ types of protein structure.






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






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






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






11. ______ of fat = 3870 kJ of energy.






12. ______ are the structural components of cell membranes.






13. Lipids __________ - and ____________ organs.






14. All _____________ have different proteins (amino acids)






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






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






17. _____________ are found in plant cell walls.






18. ___________: to lose a water molecule.






19. __________ = glucose + glucose.






20. Lipids are used to make _____________.






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






22. Proteins help _____________ important substances to different areas of the body.






23. ______ are energy storage compounds.






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






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






26. _________________ are made of a single sugar unit.






27. ______ of carbs = 1680 kJ of energy.






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






29. _______________ are made of all sugar molecules.






30. Nucleic acids are composed of _______ - ____________ - and _____________ bases.






31. _____________ is when a protein changes shape permanently.






32. _____________ molecules are not negatively or positively charged.






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






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






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






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






37. _____________ is when a protein changes shape temporarily.






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






39. _____________ molecules are not negatively or positively charged.






40. Synthesis of more complex substances from simpler ones.






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






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






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






44. __________ = galactose + glucose






45. ______ are energy storage compounds.






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






47. Triglycerides can be _____________ - or _______________.






48. _____________ are plant polysaccharides - stores energy for plants.






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






50. 100 g of carbs = __________ of energy.