Question

Cellular respiration
Define the following

Answer 1

Answer:

Cellular respiration is a set of metabolic reactions and processes that take place in the cells of organisms to convert biochemical energy from nutrients into adenosine triphosphate (ATP), and then release waste products.[1] The reactions involved in respiration are catabolic reactions, which break large molecules into smaller ones, releasing energy in the process, as weak so-called "high-energy" bonds are replaced by stronger bonds in the products. Respiration is one of the key ways a cell releases chemical energy to fuel cellular activity. Cellular respiration is considered an exothermic redox reaction which releases heat.

Answer 2

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Respiration is the process which involves the chemical break down of glucose to release ATP (energy) for the body. C02 is a biproduct which is expelled through the lungs.

There are two types of respiration: -

• Aerobic respiration - This is the breakdown of Glucose in the abundance of oxygen this is the more efficent of the two processes and creates the most amount of energy. 52 molecules of ATP.

CHEMICAL FORMULA for Aerobic respiration : -

• $\bf \: C_6H_{12}O_6 + 6O_2 \: \rightarrow \: 6CO_2 + 6H_2O + Energy$

• Anaerobic respiration - This is the breakdown of Glucose in the absence of oxygen. This is not an efficient process, only 2 molecues of ATP are produced and a biproduct is lactic acid. which is what causes aches and cramps in muscles after excercise.

CHEMICAL FORMULA for Anearobic respiration : -

• $\bf \ C_6H_{12}O_6 \ \rightarrow \ 2C_3H_6O_3 + 2 ATP$