Which of the following is an example of a concentric contraction?

dance move
injuring a non-dominant muscle
bicep curl
slowly putting a heavy object down

Analyze the relationship between good nutrition and disease prevention: how can reducing your saturated fat intake lower the risk of heart disease?

Some infants in poorer households are not fed this important food for all babies. what is it? a. baby food b. breast milk or infant formula c. water. d. all of the choices are correct

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.