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Capítulo 36
Las hormonas vegetales
Plant hormones—or phytohormones—are chemical molecules that modulate one or more physiological processes of a plant. In animals, hormones…
Fotorreceptores y respuestas de las plantas a la luz
Light plays a significant role in regulating the growth and development of plants. In addition to providing energy for photosynthesis, light provides…
Relojes biológicos y respuestas estacionales
The circadian—or biological—clock is an intrinsic, timekeeping, molecular mechanism that allows plants to coordinate physiological…
Respuestas a la gravedad y al tacto
Gravitropism: Plant Responses to Gravity Higher plants sense gravity using statocytes, cells found near the vascular tissue in shoots, and in the…
Respuestas a sequías e inundaciones
Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to…
Respuestas al estrés por calor y frío
Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there…
Respuestas al estrés salino
Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and…
Las defensas contra patógenos y herbívoros
Plants present a rich source of nutrients for many organisms, making it a target for herbivores and infectious agents. Plants, though lacking a…

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