The defining characteristic of the intertidal zone is that it is submerged with water during high tide and exposed to the air during low tide. The zone can take many forms, from sandy beaches to rocky cliffs. It is common for the intertidal zone to change frequently, since it is constantly battered by crashing waves.
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<h2>The answer would be
A.</h2>
When there are <em>multiple convection cells in each hemisphere</em>, something called <u>"The Coriolis effect"</u> happens. The defination is basically that the Earth rotates perpendicular to it's axis which is answer A.
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I used it on my test and it was right.
After the adenylyl cyclase reaction (which convert ATP into cyclic adenosine monophosphate-cAMP), cAMP level is directly increased. Next steps of PKA activation include:
• cAMP binding to regulatory subunits of PKA, as a result conformational change in the regulatory subunits of PKA is induced,
• catalytic subunits are detached and unleashed by regulatory subunits and as a result activated.
