Arachidonic acid, released during aea hydrolysis, is not a precursor for the synthesis of what class of molecules?

1 answer:

8 0

The correct answer is b. catecholamines.

Catecholamines are monoamines derived from the amino acid tyrosine.

Arachidonic acid is a carboxylic acid present in the phospholipids that is a precursor for different molecules. The enzymes cyclooxygenases concert this acid into prostaglandins and then to thromboxanes.

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Describe: parenchyma, collenchyma, ________________________________

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Answer:

<h2> Parenchyma simple tissues: </h2>

Cells of parenchyma tissues live. They are oval, elongated and loosely packed with large inter-cellular space, forming basic packing of tissue and found throughout the plant body. Functions of parenchyma: They provide mechanical support to the plant body. They store food and nutrients in vacuoles.

<h2>Collenchyma simple Tissues: </h2>

Cells of collenchyma are live. They are oval and elongated and tighily packed with no inter-cellular spaces. They epidermis in leaves and stem. Functions of collenchymas tissues: They provides mechanical support to plant. They also provide flexibility to plants so that they can bend without breaking.

<h2>Hope it helps you<3</h2>