Aprotein called gef-h1 is known to control immune responses to certain viruses such as influenza a. gef-h1 is best classified as which kind of protein?
a structural protein
an antibody
an enzyme
a messenger protein

An antibody

Protein GEF-H1 is an example of an antibody.

1. loamy sand is about 80% sand with 10% clay and defined mostly by sand particles with some clay to provide structure and fertility. the sand particles are easily visible and the soil holds structure but breaks apart easily.

2. scott sand can improve his soil quality by incorporating more silt and organic matter into the soil. peat moss and organic matter can also be incorporated.

youre right there are