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






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






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






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






5. There are _____ types of protein structure.






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






7. Disaccharides are made of _____ __________________ combined together.






8. Proteins help form antibodies for _____________.






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






10. ______ are energy storage compounds.






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






12. ___________ are important for long-term storage of energy.






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






14. Triglycerides can be _____________ - or _______________.






15. Carbohydrates are structural material for ______ ______.






16. ____________ creates cholesterol - estrogen and pheromones.






17. ___________ have different properties. Ex - fructose is sweeter.






18. Breakdown of more complex substances into simpler ones with release of energy.






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






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






21. Monosaccharides are also called ________ __________.






22. 100 g of carbs = __________ of energy.






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






24. __________ = glucose + glucose.






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






26. __________ = glucose + fructose.






27. _______ are non-polar molecules.






28. ______ are the structural components of cell membranes.






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






30. 100 g of carbs = __________ of energy.






31. __________ are the structural components of the cell.






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






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






34. Disaccharides are made of _____ __________________ combined together.






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






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






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






38. ________ are used to maintain a body temperature.






39. Micronutrients consists of Vitamins and Minerals - and _________ ______.






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






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






42. Proteins help form antibodies for _____________.






43. __________ = galactose + glucose






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






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






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






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






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






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






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