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.
Different pregnancy and birth control and contraception strategies are described. Read this tutorial to learn each of th..
Some of the body movements can be controlled at will, others cannot. The body has a motor program, which is the pattern ..
ATP is the energy source that is typically used by an organism in its daily activities. The name is based on its structu..
This tutorial describes the role of gibberellin family in plants. Find out the effects of gibberellin on plant growth an..
Human intelligence provided the means to utilize abstract ideas and implement reasoning. This tutorial takes a further l..
The movement of molecules (specifically, water and solutes) is vital to the understanding of plant processes. This tuto..
