Running Head: CELL RESPIRATION
Cell or cellular respiration can be defined as a chemically generated process that occurs in
cells. During the process, the energy acquired from the nutrients within the cells undergoes
conversion into adenosine tri-phosphate (ATP) with the release of waste materials. Enzymes
conduct the reactions within the cells. Cellular respiration allows for the proteins, carbohydrates,
and fats to be broken down into the water, carbon dioxide and energy to be released. These are
breaking down reactions occur through the presence of catalyzing of enzymes, which occur in a
series of events such that there is oxygen consumption or oxidization. Carbon dioxide is released
following the various reactions based of what constitutes a germinating pea plant.
The objective of this experiment is to find out or determine the effect of temperature
(different temperatures) on the cellular respiration in peas undergoing germination. The water
baths taken into consideration in this experiment are cold, hot and a water bath at room
temperature. The hypothesis, in this case, will be taken as little or slow germination taking place
in the cold water baths, a higher rate of germination taking place in the hot water bath and better
germination conditions in the room temperature water baths. This is hypothesized in this manner
because cold water will allow for only minimal respiration given the low temperatures that lead
to the little release of energy (Doltar, McLean, Peterson & Silber, 2013).
The hot water bath will experience more germination due to an increase in respiration up to a
point where the enzymes get denatured due to the enzymes changing shape, therefore, a problem
in binding occurring and the room temperature will experience a high rate of germination of the
seeds given the amount of energy released in this case. The rate of respiration increases with
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