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🦾 Фотосинтез темных и светлых участков растений #новостинауки #science


less than 1m read
·Nov 3, 2024

И оказалось, что интенсивность фотосинтеза над тёмно-зелёным и над светло-зелёными участками одинаковая. Интрига нарастает: как такое может быть?

Это возможно в том случае, если в обычном фотосинтезе, выделяющем кислород, занято в обеих зонах одинаковое количество хлорофилла. То есть в тёмно-зелёной части примерно всего 1/7 пигмента производит кислород.

Хорошо. А чем же в таком случае занимается остальная основная масса? Предположение такое: тоже фотосинтезом, но несколько иным.

Аноксическое газ не выделяет кислород, а лишь синтезирует АТФ, универсальный источник энергии для клеток. Для него, правда, требуется наличие ряда других веществ в атмосфере, вроде молекулярного водорода или серы.

Такой фотосинтез характерен для некоторых типов архей и бактерий. Собственно, он более древний и примитивный, но также он был замечен и у высших растений. Хотя измерить его довольно сложно в рамках.

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