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galina1969 [7]
3 years ago
6

If one defines life as the simplest form capable of displaying the most essential attributes of a living thing, one very quickly

realizes that the only real criterion for life is the ability to replicate. Only systems that contain nucleic acids are capable of this phenomenon. This sort of reasoning has led to a new definition of organism:
An organism is the unit element of a continuous lineage with an individual evolutionary history.

Consider the new definition of life. If you were to argue that a virus or a single mitochondria were, in fact, alive based on this definition, you would be ignoring the main tenet of
A) cell theory.
B) endosymbiosis.
C) nucleosynthesis.
D) natural selection.
Biology
2 answers:
OleMash [197]3 years ago
5 0
The answer is the cell theory or A.)
Dmitry [639]3 years ago
5 0

Answer:

The correct answer will be option A.

Explanation:

The viruses which are considered the non-living organisms as they are not composed of cells and mitochondria which are evolved from the endo-symbiotic relationship with cells are also considered not considered a cell.

According to the question, these cells will have life and will be living which completely ignores the most important theory of biology called cell theory given by Schwann and Schleiden. This theory states that cell is the structural and functional unit of life and all living organisms whether unicellular or multi-cellular are made up of cell.

Thus, option A is the correct answer.

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Explanation:

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Answer:

Photosynthesis produces: <em>glucose </em><em>and </em> O_{2}

                 ...from  CO_{2}, energy (light) and H_{2} O

Respiration produces: energy (ATP),CO_{2}, H_{2} O  

                ....from <em>glucose </em><em>and  </em>O_{2}<em />

<em />

Explanation:

These end products, namely O_{2} and glucose are then used in respiration...

Using energy in the form of solar energy, plants, phytoplankton, algae, and other microorganisms produce chemical energy via photosynthesis. This complex mechanism is central to these species.

They combine light energy from the sun, water, and carbon dioxide.

6CO_{2} + 6H_{2} O + (energy) →C_{6} H_{12} O_{6} + 6O_{2}

In the mechanism of cellular respiration, organisms extract energy from food. Sugars in the form of glucose are broken down into carbon dioxide and water during aerobic respiration in mitochondria to produce energy in the form of ATP (adenosine triphosphate).

<h3>C_{6} H_{12} O_{6} + 6 O_{2}  _{\to \ 6CO_{2} + H_{2} O + energy (ATP)</h3>

The waste products, CO_{2} and H_{2} O,  result from respiration, these are used as reactants in the photosynthetic process. In turn, its products are the reactants O_{2}  and C_{6} H_{12} O_{6} in respiration.

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