#1 is CO2 exchange. CO2 is diffusing from the blood into the alveoli for expiration.
#2 is O2 exchange. O2 is diffusing from the alveoli into the blood to be carried to the tissues.
Answer:
O horizon
it is most important for growth of crops
hope it helps
The main biological functions of lipids include storing energy, as lipids may be broken down to yield large amounts of energy. Lipids also form the structural components of cell membranes, and form various messengers and signaling molecules within the body.
Anisogamous.
I hope this helps you!
<em>~cupcake </em>
Answer:
inducible operon
Explanation:
the red looks like a active repressor that attaches to and repressed the operon
