Which characteristics make estuaries productive ecosystems?

The normal shape of an enzyme is as shown in structure a. if the enzyme’s shape changes to that shown in structure b, what are two consequences of this change?

Approximately what portion of the foods that we eat have been genetically modified in some way? a.fewer than 10% b.about 50% c.nearly 100%

This connective tissue consists of large round densely packed cells with the nucleus pushed to one side.