Son sustancias químicas que produce nuestro cuerpo cuando nos ejercitamos y nos da más energía, nos producen alegria, placer y una sensación de bienestar??

The presence of aids in a community often increases its level of property what is one of the main reasons for this

What is the main structural difference between enveloped and nonenveloped viruses? a) enveloped viruses have their genetic material enclosed by a layer made only of protein.b) nonenveloped viruses have only a phospholipid membrane, while enveloped viruses have two membranes, the other one being a protein capsid.c) enveloped viruses have a phospholipid membrane outside their capsid, whereas nonenveloped viruses do not have a phospholipid membrane.d) both types of viruses have a capsid and phospholipid membrane; but in the nonenveloped virus the genetic material is between these two membranes, while in the enveloped virus the genetic material is inside both membranes.

How to stop staring at people in school if you have a staring problem?