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Anaerobic Cell Respiration by Yeast

Anaerobic Cell Respiration by Yeast

Dear Parents,

Currently,we have been learning abut types of cells, organelles and their functions with our 7A class. They understand the fact that cell is the smallest structural and functional unit of an organism. Cells make tissues, tissues make organs and organs make the organisms.

The students also made an analogy stating that each and every single organ represents one organelle inside a cell. We had a note taking time and hands-on time in class. Students had an opportunity to look at plant cells (lettuce, strawberry and etc.) through microscopes. Eventually they made an observation over yeast and sugar reaction and took some notes. It was fun time with the kids in the science lab. Here is little bit background about the reaction that we observed.

Yeast are tiny single-celled (unicellular) fungi. The organisms in the Kingdom Fungi are not capable of making their own food. Fungi, like any other organism, need food for energy. They rely on sugar found in their environment to provide them with this energy so that they can grow and reproduce.

Yeast, like bacteria grow in or on their food source. They produce and release digestive proteins (enzymes) into their environment where the sugar molecules are found. Complex sugar molecules then break down into monosaccharides that can be absorbed by the yeast and used for food (energy). 


Isa Pamuk

Science Teacher

Science Olympiad Coach

STEM EXPO Coordinator

You are here: Home NEWS Newsletters TMSA 2013-2014 Newsletter Issue 29 - Feb 21, 2014 Anaerobic Cell Respiration by Yeast


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