Examlex
When dandelions produce seeds by apomixis, which of the following is/are not involved?
Epinephrine
A hormone and neurotransmitter also known as adrenaline; involved in regulating heart rate, blood vessel and air passage diameters.
Thyroid Hormones
Chemical substances produced by the thyroid gland, such as triiodothyronine (T3) and thyroxine (T4), crucial for regulating metabolism, growth, and development.
TSH
Thyroid Stimulating Hormone, a pituitary hormone that stimulates the thyroid gland to produce thyroxine, which in turn regulates metabolism.
Negative Feedback
A regulatory mechanism in biological and mechanical systems where the output of a process is fed back in a manner that reduces the fluctuations in the output.
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