BIO 11 Lecture 18: Bio 11 - Lecture 18
Document Summary
Adrenocorticotropic hormone - steroid hormones (sex) adrenal. Growth hormone - growth and repair of cells, decrease in glycogen in the system causing its release. Melanocyte stimulating hormone; pigment color in skin. Oxytocin ; stimulates child birth, synthetic version to increase child birth. Thyroxine ; t3 and t4, increases metabolic reactions and amount of atp used in system. Affect the amount of calcium in blood stream. Melatonin ; sleep cycle and can affect reproductive cycle. Heme unit ; or iron group that is attracted to oxygen. Can pick up carbon dioxide (low affinity) If heme group has oxygen, that"s it, if carbon dioxide is, that"s it, if hydrogen is, same; "segregated bus" Slightly larger than the diameter of a capillary (7. 7 micrometers) Can bend and arc through their shape to allow themselves through. No nucleus; it is removed from the cell as it is matured. Can"t form more hemoglobin (no dna transcripts to make it; no nucleus)
