It is important for a food business to keep out flying insects . screens on kitchen doors can be very effective as long as the screen mesh is the right size there are no tears and

5. in case of an emergency, once you or someone already on the scene has contacted 9-1-1, the next thing to do is:

Amalignant tumor that originates within glandular tissue is called

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.