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. Vitamins and Minerals are often found in __________ _________.






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






3. Monosaccharides are also called ________ __________.






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






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






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






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






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






9. All _____________ have different proteins (amino acids)






10. _______________ are made of all sugar molecules.






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






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






13. Synthesis of more complex substances from simpler ones.






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






15. Disaccharides are made of _____ __________________ combined together.






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






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






18. 100 g of fat = __________ of energy.






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






20. ______ are the structural components of cell membranes.






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






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






23. Proteins help form antibodies for _____________.






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






25. Lipids are ____ ______________ in cell membranes.






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






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






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






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






30. __________________ are formed by MANY monosaccharides linked together.






31. Lipids are ____ ______________ in cell membranes.






32. The opposite of dehydration synthesis is _____________.






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






34. _____________ _____________ _____________- coils of amino acids.






35. Disaccharides are made of _____ __________________ combined together.






36. Triglycerides can be _____________ - or _______________.






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






38. Proteins are composed of ______ ______.






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






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






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






42. __________ _____ ___________ help in chemical reactions.






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






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






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






46. Nucleic acids are composed of _______ - phosphate - and nitrogenous bases.






47. __________ = glucose + fructose.






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






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






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