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. Lipids are used to make _____________.






2. Lipids are _____________ (does not dissolve in water).






3. __________ are needed for fat soluble vitamins.






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






5. _________________ are made of a single sugar unit.






6. _____________ are found in plant cell walls.






7. ______ of fat = 3870 kJ of energy.






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






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






10. There are _____ types of protein structure.






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






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






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






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






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






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






17. Proteins help keep our cells and muscles in _________.






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






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






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






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






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






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






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






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






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






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






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






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






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






31. __________ are needed for fat soluble vitamins.






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






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






34. _____________ are found in plant cell walls.






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






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






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






38. There are ________ types of carbohydrates.






39. Proteins are composed of ______ ______.






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






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






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






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






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






45. Proteins are composed of ______ ______.






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






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






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






49. Carbohydrates are structural material for ______ ______.






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