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Mariulka [41]
3 years ago
7

When a platelet contacts a damaged blood vessel, it is stimulated to release thromboxane a2. thromboxane a2 in turn stimulates v

ascular spasm and attracts additional platelets to the injured site. in this example thromboxane a2 is acting as a _____?
Biology
1 answer:
Umnica [9.8K]3 years ago
3 0
<span>It is acting as a local signaling agent. It allows for more platelets to be attracted to the damaged area, instead of having them sent all over the body. As a local signal, it is also acting on the behavior of nearby cells, which is seen by the vascular spasm that is being instigated at the site of the damage.</span>
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When plants make flowers, gene A is expressedin whorls 1 and 2, gene B is expressed in whorls 2 and 3 and gene C in whorls 3 and
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Answer:

The correct answer would be option D) no gametes.

Explanation:

The ABC model of the flower was formulated to describe the collection of genetic procedures that determines floral organs in several plants. These species consist of four whorls which are sepals, petals, stamens, and carpels. These whorls are expressed by the expression of a number of genes present in each whorl or verticli.

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learn more about spatial summation here: brainly.com/question/13064300

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