Examlex
Telomerase is an enzyme involved in the replication of the ends of eukaryotic chromosomes.
Norepinephrine
Neurotransmitter of the postganglionic fibers in the sympathetic division of the autonomic system; also, a hormone produced by the adrenal medulla. Sometimes referred to as noradrenaline.
Nuclear Envelope Pores
Structures in the nuclear envelope that allow the transport of molecules between the nucleus and the cytoplasm.
Steroid Hormones
A class of hormones derived from cholesterol that includes testosterone, estrogen, and cortisol, playing key roles in metabolism, inflammation, and reproductive functions.
Peptide Hormones
Hormones composed of short chains of amino acids that affect the function of target cells or organs.
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