speract
sea urchin peptide hormone, from the jelly coat of the eggs of the sea urchins Strongylocentrotus purpuratus and Hemicentrotus pulcherrinus, affecting motility and metabolism. Receptor is a plasma membrane guanylate cyclase.
Muscle cells are specialized to generate force and movement. Learn about the different types of muscle tissues in this t..
Homeostasis is essential to maintain conditions within the tolerable limits. Otherwise, the body will fail to function p..
The blood sugar level is regulated by two hormones. The mechanism behind this type of negative feedback control is descr..
Meet the colorful takahē, an extremely rare flightless bird. Find out more about its unique features and why they matte..
Autotrophs flourished, absorbing carbon and light. Soon after, primitive life forms that could assimilate oxygen thrived..
A running water environment offers numerous microhabitats for many types of animals. Similar to plants, animals in lotic..
