Respiration question answers
Answers
Answer:
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Explanation:
Q.1. How is the energy released and stored during oxidation of compounds in respiration?
A.1. The energy released is directly collected in ATP in the form of chemical bonds. ADP + IP + energy → ATP This bond is broken and utilized whenever required ATP → ADP + IP + energy
Q.2. What is ‘Energy Currency’. Name the substance in animals and plants that act as an energy currency.
A.2. Energy is required by every cell to function. Energy currency releases and stores energy as and when required in the cell. In both plants and animals, ATP is known as the energy currency.
Q.3. In man and yeast, when does anaerobic respiration take place?
A.3. In man, it occurs when there is a lack of oxygen during cellular respiration, hence pyruvic acid is reduced to lactic acid by the lactate dehydrogenase. In yeasts also it occurs in the absence of oxygen.
Q.4. On oxidation, which of these releases more energy? Organize them in an arranging order.
a) 1gm of fat
b) 1gm of protein
c) 1gm of glucose
d) 0.5gm of protein + 0.5gm of glucose
A.4. 1gm of fat releases most energy. The following is the ascending order: 1gm of glucose < 0.5 gm of protein + 0.5gm of glucose < 1gm of protein < 1gm of fat.
Q.5. Fo-F1 particles are involved in the synthesis of?
A.5. They are both present in the inner mitochondrial membrane and are involved in the synthesis of ATP which is the energy currency of the cell.
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