Question

1. Production of lactic acid at the end of respiration.​

Answer 1

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Production of lactic acid at the end of respiration..

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When we do hard exercise, lactic acid is formed

in the muscles. The lactic acid needs to be

oxidised to carbon dioxide and water later

which causes shortage of oxygen. This is why

we keep on breathing deeply for a few minutes

after we have finished exercising.

Answer 2

Answer:

Explanation:

Lactate reacts with oxidized nicotinamide adenine dinucleotide (NAD+) to form pyruvate, reduced nicotinamide adenine dinucleotide (NADH), and a proton (H+).

During heavy exercise, expiratory flow limitation and prolonged expiratory time result in higher average positive intrathoracic pressures that reduce ventricular transmural pressure and act like a Valsalva manoeuver, decreasing the rate of ventricular filling during diastole and reducing stroke volume, venous return ...

Water, because at the end of the mitochondrion electron transport chain — part of ATP synthesis through oxidative phosphorylation (a.k.a. cellular respiration) — two (energy-depleted) electrons combine with one oxygen ion and two hydrogen ions (protons), so forming HO (water), which is transported (by the blood, now as ...

In summary, yeast is a single-celled fungus that uses cellular respiration, which converts glucose and oxygen into carbon dioxide and ATP. ... Fermentation is anaerobic respiration and happens without oxygen. Glucose is converted to two ATP, ethanol, and carbon dioxide. Yeast fermentation is used to make beer and wine.

There are five main modes of seed dispersal: gravity, wind, ballistic, water, and by animals. Some plants are serotinous and only disperse their seeds in response to an environmental stimulus. Dispersal involves the letting go or detachment of a diaspore from the main parent plant.

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