No. 21 please help me with the answer! Thank you!

Fats contain how much more energy than carbohydrates and protein?

A 22-year-old female patient slipped running down stairs and has injured her right tibia and fibula. you have used an air splint to splint the injury. to test the splint, you can:

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.