As human travel increases the number of introduced species in a certain environment likely increases as well. When we're moving to certain locations, with us we're bringing millions of small bacteria and other living organisms that accompany us on our hands, different parts of our bodies and clothing. All of them perhaps were not present in locations that we visit.
Answer:
Heme,porphyrin,Fe2+
Explanation:
The prosthetic group of hemoglobin and myoglobin is heme.
The organic ring component of heme is porphyrin
Under normal condition the central atom of heme is Fe2+
Answer:
The two enantiomers of dopa have very different shapes, even if they have the same number of atoms of each element involved and have the same ones connected to one another. The great difference in activity shows that the key thing in determining biological activity is shape, not merely the number or arrangement of atoms.
Explanation:
- The two enantiomers of dopa have very different shapes, even if they have the same number of atoms of each element involved and have the same ones connected to one another.
- The great difference in activity shows that the key thing in determining biological activity is shape, not merely the number or arrangement of atoms.
Because the biggest threat to them is climate change!
A basic tenet of modern biology, first stated by Matthias Schleiden and Theodor Schwann in 1838–39, that cells<span> are the basic units of structure and function in living organisms. ... A </span>theory<span> of heredity must be reconciled with the </span>cell theory<span>.</span>
