Specialized cells protect the human body from disease-causing microbes by

Ectocarpene is a volatile, sperm cell-attracting material released by the eggs of the seaweed ectocarpus siliculosus. its constitution is all the double bonds are cis, and the absolute configuration of the chirality center is s. draw a stereochemically accurate representation of ectocarpene.

The tubes transporting minerals and water upward are called ?

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur