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






2. Synthesis of more complex substances from simpler ones.






3. ___________: to lose a water molecule.






4. _______ are non-polar molecules.






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






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






7. Vitamins and Minerals are often found in __________ _________.






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






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






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






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






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






13. __________ = galactose + glucose






14. There are _____ types of protein structure.






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






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






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






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






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






20. _____________ molecules are not negatively or positively charged.






21. _____________ is when a protein changes shape permanently.






22. All _____________ have different proteins (amino acids)






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






24. Proteins are composed of ______ ______.






25. _____________ molecules are not negatively or positively charged.






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






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






28. ______ of fat = 3870 kJ of energy.






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






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






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






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






33. __________ are needed for fat soluble vitamins.






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






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






36. Lipids __________ - and ____________ organs.






37. Disaccharides are made of _____ __________________ combined together.






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






39. Triglycerides can be _____________ - or _______________.






40. Carbohydrates are made of all ________ ____________.






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






42. 100 g of carbs = __________ of energy.






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






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






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






46. _____________ store energy in the form of fat.






47. Disaccharides are made of _____ __________________ combined together.






48. The opposite of dehydration synthesis is _____________.






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






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