DCMU Is an Herbicide That Acts by Blocking Photosynthetic Electron

question 89

Short Answer

DCMU is an herbicide that acts by blocking photosynthetic electron flow from photosystem II (PSII) to the cytochrome b₆f complex. Predict the effect of DCMU on O₂ production and on ATP synthesis in the chloroplasts of plants sensitive to DCMU.

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Definitions:

Ganglion Cells

Neurons located in the retina that receive visual information from photoreceptors and transmit it to the brain via the optic nerve.

Interposition

A visual cue in which one object partially blocks another, helping to perceive depth and the relative position of objects.

Binocular Cues

Visual information taken in by two eyes that enable a person to gain a sense of depth and distance.

Pitch

The perceived frequency of a sound, determining whether it is high or low.