Research Questions: 1. What is the optimal temperature for yeast to metabolize sugars? 2. What is the sugar that is most readily metabolized by yeast? Are there any sugars that yeast cannot metabolize? 3. What is the optimal concentration of
Introduction Many yeasts are anaerobic organisms or can survive in oxygen – absent environments during which time they ”switch” to a process called anaerobic respiration for the purpose of producing food by breaking down carbohydrates. The final products of the
1. Research question Due to the fact that most plants have no appropriate apparatus to ingest and digest food, they have to obtain it by themselves using simple ingredients. That is why plants are called autotrophs or simply “self –
To make a circuit board clamp 2 main modern materials are used, these are: * Low carbon steel * Nylon These two materials have many different properties and design issues and in this essay I am going to be looking
Aim:To investigate the difference in growth rates between yeast cultures that have been grown in different carbon sources. Introduction: An investigation in being carried out to see whether the support of different carbon sources have an adverse effect on the
Aim: The aim of this experiment is to investigate into the effects of the change of carbon dioxide concentrations on the rate of photosynthesis. Prediction: My hypothesis is that as the concentration of carbon dioxide increases the rate of photosynthesis
Copper has two oxides, Cu2O and CuO. Copper carbonate, CuCO3, decomposes on heating to form one of these oxides and an equation can be written for each possible reaction. Equation 1: 2CuCO3 (s) > Cu2O (s) + 2CO2 (g) +
I have been given a solution that contains between 1.1g and 1.3g of iron ions; they are in a mixture of both Fe2+ and Fe3+. My aim is to work out the percentage of each of them in the solution.
Carbon dioxide is easily identified using a solution of calcium hydroxide (limewater). When carbon dioxide is bubbled through limewater, it turns cloudy (formation of calcium carbonate precipitate). Ca(OH) (aq) + CO2 (g) –> CaCO3 (s) + H2O (l) EQUIPMENT: 1.
Alkenes also known as olefin is an unsaturated hydrocarbon which contains at least one carbon-carbon double bond. The general formula for alkene is CnH2n. Alkenes are insoluble in water but are soluble in orgainic solvent. The presence of double bond
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