Nitrate reductase

Homodimers, two identical subunits

Each subunit with 100kD

Each subunit contains 3 prosthetic groups:

FAD, heme, and molybdenum complexed to pterin (an organic molecule). 

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#Id: 9294

#XL - Q Biochemistry

Nitrate reductase

Homodimers, two identical subunits

Each subunit with 100kD

Each subunit contains 3 prosthetic groups:

FAD, heme, and molybdenum complexed to pterin (an organic molecule). 

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#Id: 9294

#XL - S Microbiology

Nitrate reductase

Homodimers, two identical subunits

Each subunit with 100kD

Each subunit contains 3 prosthetic groups:

FAD, heme, and molybdenum complexed to pterin (an organic molecule). 

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#Id: 10677

#XL - R Botany

Cork Cambium

Another meristematic tissue called cork cambium or phellogen develops, usually in the cortex region

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Cork Cambium

Phellogen cuts off cells on both sides. The outer cells differentiate into cork or phellem, while the inner cells differentiate into secondary cortex or phelloderm.

Phellogen, phellem, and phelloderm are collectively known as periderm

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Secondary Growth in Roots

In the dicot root, the vascular cambium is completely secondary in origin.

It originates from the tissue located just below the phloem bundles, a portion of pericycle tissue

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#Id: 10680

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#Id: 10681

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#Id: 10682

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Anomalous secondary growth

Several dicotyledons show secondary growth that is different from normal  secondary growth. The deviating methods of secondary thickening are called  abnormal or anomalous secondary growth. 

e.g., Bougainvillea (Dicot)