Ethylene is an organic compound produced by ripening fruits. In a controlled experiment, researchers found that ethylene gas stimulated the ripening process in newly harvested fruits. Which of the following describes the most likely connection between natural ethylene production and fruit ripening?
(A) As a result of metabolic inactivity, newly harvested fruits are unable to absorb ethylene gas from the atmosphere.(B) Ethylene gas is a chemical signal through which ripening fruits trigger the ripening process in other fruits.(C) Because of normal phenotypic variation, only some of the fruits in a given generation are expected to produce ethylene gas.(D) The rate of ethylene gas production by ripening fruits is an indicator of the relative age of an ecosystem.

The ethylene hormone triggers the ripening process of fruit. However, in order to slow down the ripening process the action of ethylene is to be blocked. All fruits are capable to produce ethylene up to a certain level after which they start ripening. There are some classes of fruits that respond to the external ethylene such as apple, mango, tomato etc.

Hence, option B is correct

Histrionicus Histrionicus · Answer 2 · 2021-12-13T11:44:34+01:00

The following describes the most likely connection between natural ethylene production and fruit ripening - (B) Ethylene gas is a chemical signal through which ripening fruits trigger the ripening process in other fruits.

Ethylene

A plant hormone or regulatory hormone found in form of a gaseous compound

Ethylene is a chemical signal through which ripening fruits trigger the ripening process in fruits
ethylene signaling have shown a linear transduction pathway leading to the activation of ethylene response factors.
Most fruits produce ethylene that starts the ripening process.
Its level in under-ripe fruit is very low, but as the fruit develops, the production of ethylene becomes larger that speeds up the ripening process of fruit.

Thus, The following describes the most likely connection between natural ethylene production and fruit ripening - (B) Ethylene gas is a chemical signal through which ripening fruits trigger the ripening process in other fruits.

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