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IB Extended Essay (EE)

Excellent IB Extended Essays

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Excellent Extended Essays - Biology

Are commercial methods of oral rinse (mouthwash) more effective than the traditional methods of oral hygiene (tea, sesame oil, baking soda, myrrh) in preventing the growth of Micrococcus luteus? (2012)
A study on the effect of Indole acetic acid, a growth hormone, on the growth of crop plants, rice (Oryza sative L.) and wheat (Triticum species) (2012)
Does hand sanitiser, hand soap or antibacterial wipes have the greatest ability to inhibit the growth of E. Coli? (2014)
Do the plant extracts of Allium sativum (Garlic) and Catharanthus roseus (Vinca rosea) reduce the growth of Bacillus subtilis and Escherchia coli and do they show a similar effect as antibiotics (Gentamicin)? (2009)
The time required for two different species of tadpoles, Rana temporaria and Bofu bofu, subject to four different temperatures, to reach metamorphic climax from the stage of pre-metamorphosis (2012)
To what extent do live cultures in yogurts reduce the concentration of lactose present over the course of a 2 hour incubation period at 37°C? (2016)
What is the effect of different light combinations on the movement of semiaquatic turtles, red-eared slider (Trachemys scripta elegans) with respect to the position of the light sources? (2014)
What is the prevalence of nasal carriage of Staphylococcus aureus amongst Tanglin Trust School students and what are the risk factors associated with carriage? (2014)
An improvising brain (2018)
A comparison between the inhibitory effects of l_arabinose on invertase and l_arabinose on sucrase_isomaltase (2018)
Finding new antibiotics: microalgae as novel sources of bacteriostatic compounds (2018)
Effect of germination on the protein composition of black and brown rice species (2020)
The antibacterial properties of native and manuka honey (2020)
The antimicrobial effects of metals copper, barium and silver on the growth of bacteria (2021)
The ability of different symbiodinium-hosting coral species to tolerate abnormal light conditions through photoacclimation  (2021)
The antibacterial properties of Neem (2021)
The antibacterial properties of curcuminoids in two forms: turmeric root and curcumin capsules  (2022)

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