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Fermentation is the process of releasing energy from food molecules in the absence of oxygen. Yeast are microscopic unicellular organisms that are heterotrophs in the family Fungi. They depend on other heterotrophs or other autotrophs to obtain energy. Some species of yeast feed on sugar molecules, others on wood and corn stalks, and some others even turn grains into alcohol. Yeast is popular in bakeries and is used in making bread, ethanol and making cakes fluffier. Ethanol is a possible alternative to the diesel and petrol we use for car fuels. When yeast send enzymes into the air to break down sugar molecules, the sugar molecules break into smaller parts so that the yeast can consume it. When the energy is consumed, the yeast give off carbon dioxide bubbles and ethyl alcohol, which are their waste products. These carbon dioxide molecules squeeze into the bread and cause it to rise. This makes the bread lighter. The alcohol, which is contained in the bread, evaporates when the bread is baked.

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Jenny Peng
Yeast are unicellular heterotrophs that feed off of sugar, such as fruit or nectar. The formula for yeast fermentation is C6H12O6=2CH3CH2OH+2CO2+energy. Bread recipes depend on yeast to break down the sugar in the dough.

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Yeast is an organism from the fungus kingdom that gets energy from sugar using fermentation. What they do is release enzymes  that break down sugar and make it digestible. Then they use it as energy. This all happens aerobically, or without oxygen.

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Yeast is a unicellular member of the kingdom fungi. The organisms in the kingdom fungi are unable to create their own food, and therefore unable to create their own energy. Fungi require food to make energy, so they rely on sugars that are in their habitat to give them the energy to grow and reproduce.

Yeast live in or on their food, and they produce digestive proteins, also known as enzymes. Their enzymes are released into their environment where there are sugar molecules that can be absorbed by the yeast for energy.

There are many types of yeast, and all of them have a different source for food. Certain yeasts feed on many natural resources such as fruits, nectars, and sorghum molasses. Another species break down wood and corn stalks, creating ethanol. Other species break down sugar from grain to alcohol, or fruit to alcohol/wine. All of those processes are called fermentation, the formula for yeast fermentation is C6H12O6 = 2CH3CH2OH + 2CO2 + energy.

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Yeast is a fungi microorganism that uses enzymes to find and break down sugars.

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Yeast is edible.

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When oxygen is not present, glycolysis is followed by a different pathway. The combined process of this pathway and glycolysis is called fermentation. Fermentation releases energy from food molecules in the absence of oxygen. Because fermentation does not require oxygen, it is said to be anaerobic.

Yeast are unicellular fungi. The organisms in the Kingdom Fungi are not capable of making their own food. They rely on sugar found in the environment to gain energy to grow and reproduce. Yeast grow in or on their food source. There are two main types of fermentation, which are alcoholic fermentation and lactic acid fermentation, but the formula for just fermentation is:

C6H12O6 = 2CH3CH2OH + 2CO2 + energy

Glucose = ethyl  + Carbon

alcohol    dioxide

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People often mix water, sugar and yeast together before mixing them with rest of the dough ingredients.

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Yeast live in or on their food.

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Yeast is used to make dough light and airy.

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Anvitha

Yeast is a unicellular organism which relies on sugar to produce energy. They use this sugar to grow and reproduce. Yeast releases oxygen and ethyl alcohol.

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Yeast is a single celled organism in the classification, fungi. They need energy like all organisms and are heterotrophs. They release an enzyme that breaks down sugar molecules into smaller bits.

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Yeast are used in bread.

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Safa
Yeast are small unicellular fungi, that are heterotrophs. They get their energy from food which they find in their environment. Yeast either live on their food source or in it. They produce and release enzymes or protein, which breaks down the sugar in the food source so the yeast can digest and use the sugar for getting energy. Yeast takes the Glucose and turns it into ethyl alcohol, carbon dioxide and energy.

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I learned that yeast is a single celled organism that uses sugar as their food source for energy. When it is mixed with sugar, it converts the sugar to carbon dioxide and ethyl alcohol, and releases it as waste.  Different types of yeast eat different sources to get sugar. The formula for yeast fermentation is C₆H₁₂O₆ → 2 C₂H₅OH + 2 CO. ₂.

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Yeast are heterotrophs, as they can not make their own food.

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Yeast is a singled celled organism. Yeast eats sugar to get energy and this process produces carbon dioxide and alcohol . In the test tubes

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In the yeast fermentation lab i learned that yeast release carbon dioxide when with sugar. Yeast are unicellular fungi. Like bacteria they live on their food. Yeast feed on sugar. During yeast fermentation yeast break down and absorb large sugar molecules.

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I learned that the test tube with a three to one ratio of sugar to yeast.
I also learned that yeast is a single cell fungi. Yeast depends on sugar for food making them heterotrophs.

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Yeast absorbs sugar from food sources to make food, and different types of species produce different waste products

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Yeast is a unicellular organism that is part of the Kingdom of the Fungi. The yeast is heterotroph that that feeds and lives on its own food. The yeast consumes the sugar as food which the yeast uses for energy. When it consumes sugar it makes carbon dioxide and ethoyl alcohol as a byproduct.

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Yeast is a unicellular fungi that consumes sugar molecules to attain energy. As yeast consumes sugar, it releases carbon dioxide and ethyl alcohol as wastes/products. Like bacteria Yeast is an organism that for  lives either inside or on their source of foods. Yeast is part of the Kingdom Fungi.

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When yeast absorbs the sugar, it releases carbon dioxide and alcohol. Yeast are

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Yeast Fermentation is a process in which yeast absorbs foods such as sugar, it is converted into smaller forms such as ethyl alcohol, carbon dioxide, and energy. Produce of carbon is affected when the particles of yeast or sugar are not the same. The sugar is absorbed by yeast because they are heterotrophs and that's how they get their energy.  Fungi are popular among bacteria and yeast.

C6H12O6 = 2CH3CH2OH + 2CO2 + energy

There are many types of yeast, and all of them have a different source for food. Certain yeasts feed on many natural resources such as fruits, nectars, and sorghum molasses. Another species break down wood and corn stalks, creating ethanol. Other species break down sugar from grain to alcohol, or fruit to alcohol/wine. All of those processes are called fermentation.

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Yashasvini Jupudi

Yeast is a unicellular fungi this consumes sugar molecules by braking down food. yeast consumes sugar and releases alcohol. this is caused by fermantation. this happens when there is no oxygen and Glycosis is

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Fermentation is when energy is released from food molecules in the absence of oxygen. This is called anearbic. Yeast is a single-celled microorganism that is used to rise bread. Like bacteria, yeast is on or in the food source. Yeast depends on sugar and releases carbon dioxide and alcohol as wastes.

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Safa
Yeast are unicellular fungi. They are heterotrophs live in or on their food source

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Yeast is a heterotroph, single-celled fungi. Like other heterotrophs, they depend on other organisms for their food. Instead of just plain eating them, like other heterotrophs they live on/in their food supply. Yeast is in the Kingdom Fungi. It breaks sugar molecules down into its components which are carbon dioxide and ethyl alcohol. The formula for yeast fermentation is C₆H₁₂O₆ → 2 C₂H₅OH + 2 CO. ₂.  Unlike most people think, yeast depends on other organisms for their food. Resulting in living in or on their food supply. Yeast produce and release digestive proteins into their environment where sugar is found. Yeast can be used for many things, such as bread baking. Bread recipes rely on yeast to break down sugar in the dough. Another can break down wood which creates ethanol. This can make gasoline for our cars.

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Yeast Fermentation is the process a cell uses to make energy when there is no oxygen

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I learned that

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When yeast is mixed with sugar, it converts the sugar into ethyl alcohol, carbon dioxide and energy.But, if there is more sugar that than yeast, or more yeast than sugar, more carbon will not be produced. The ratio of sugar and yeast has to be equal. That is why the test tube with 0.5 teaspoons of  yeast made the most carbon dioxide because it also had  0.5 teaspoons of sugar.

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Yeast are unicellular fungi. They are heterotrophs that depend on other molecules for food. Yeast release an enzyme that breaks down any sugar in proximity. They take in sugar, break it down, take the food they need from it, and produce CO2 and ethyl alcohol as a waste product. There are many different kinds of yeast - some eat wood, some eat natural sugar producers and some eat cornstalks. Depending on what they eat, different species of yeast make different waste products. Some make ethyl alcohol; some make CO2. Yeast is a key part in bread making

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In the lab yesterday I learned about the products of alcoholic fermentation. Yeast is a type of fungi that feeds on sugar, it releases an enzyme that breaks down sugar and then the yeast absorbs the sugar. When yeast consumes sugar it releases alcohol, carbon dioxide, and energy. Different types of yeast breaks down different reactants and makes different products.

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Yeast are small, unicellular, heterotrophs that are a type of fungi. It is a heterotroph because fungi rely on sugar found in their environment to give them energy to reproduce. Just like bacteria, yeast grow on or inside of their food source. Yeast make enzymes or digestive proteins and release them into the environment where there are sugar molecules. The sugar will break down into smaller molecules that will be absorbed by yeast and obtained for energy. The formula for yeast fermentation supports this. It is: 6CO2 = 26CH3CH2OH + 2CO2 + energy.

In this equation glucose is being broken down as a reactant on the left side of the equation. Ethyl alcohol, carbon dioxide and energy are being produced as the products on the right side of the equation. The glucose is being broken into its components of CO2, ethyl alcohol and energy. To understand what is happening, the process of fermentation must be known. Fermentation is the release of energy from food molecules in the absence of oxygen.

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Yeast is a type of fungi that is unicellular. They produce carbon dioxide when they consume sugar molecules. They release enzymes to break the sugar down. Yesterday we learned that only a certain amount of sugar will cause it to expand it

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In the Yeast Fermentation Lab I learned that yeast is a single celled organism that produces enzymes that break down the food they eat.

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Yesterday, in our lab I learned that yeast is a unicellular microorganism.