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. Carbohydrates are made of all ________ ____________.






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






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






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






5. __________________ are formed by MANY monosaccharides linked together.






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






7. _____________ is where animals store carbohydrates.






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






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






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






11. All _____________ have different proteins (amino acids)






12. 100 g of carbs = __________ of energy.






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






14. _______________ is the primary energy source for cells.






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






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






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






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






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






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






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






22. _____________ molecules are not negatively or positively charged.






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






24. Proteins are composed of ______ ______.






25. ________________ consists of Vitamins and Minerals - and Nucleic Acids.






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






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






28. ________ are used to maintain a body temperature.






29. All _____________ have different proteins (amino acids)






30. ______________ _______________ : single bonds exist between carbons - they are stable and hard to break down so they will remain in our body longer. animal sources






31. ______ are the structural components of cell membranes.






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






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






34. ________________ usually have a molecular formula ratio of C:H:O in 1:2:1.






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






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






37. ____________ creates cholesterol - estrogen and pheromones.






38. _____________ are found in plant cell walls.






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






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






41. ______________ _______________ : single bonds exist between carbons - they are stable and hard to break down so they will remain in our body longer. animal sources






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






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






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






45. There are _____ types of protein structure.






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






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






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






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






50. Lipids are used to make _____________.