Hi there!
The definition of Oceanography is -
The study of the Ocean.
Hope this helps!
~Alexa
Answer:
Signal transduction
Explanation:
A signal molecule binds to a receptor.
A conformational change in the signal-receptor complex activates an enzyme.
Second messenger molecules are released.
Protein kinases are activated.
Target proteins are phosphorylated.can be defined as the process in which a physical or chemical signal is transmitted through a cell as a series of molecular events inform of protein phosphorylation are catalyzed by protein kinase and this ultimately result into a cellular response. However, the protein that is responsible for the detection of stimuli is commonly refers to as receptors or sensor.
Cast- solid copy
Mold- hollow form
Carbon film- details left after an organism decays
Trace fossil-record of an organisms activity
Petrified fossils- living things turned into rock
D. pressure from lava being pushed up from th earth adds new material to the ocean floor, creating a ridge