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#light regulated development

2 public questions tagged with this topic.

During photomorphogenesis, HY5 protein levels are:

High (C) is correct here. This is core PHYTOCHROME: once you know the definition or pathway step, High is the clear fit. The wrong ones are A) Low; B) Absent; D) Unchanged. If the topic is about gradients or potentials, water/solutes move from higher to lower of the relevant quantity.

Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.

In light conditions, COP1 is predominantly localized in the:

Correct option is B, Cytosol. In PSS-Sec-E-Sensory biology problems like this, the accurate statement is Cytosol; the others are common mix-ups. Not these: A) Nucleus; C) Chloroplast; D) Mitochondria. Tissue transport questions usually turn on xylem vs phloem, living vs dead cells, or source vs sink.

Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.