The heart/lung machine is necessary
when performing heart transplant surgery because during surgery, the actual
heart is stopped so the heart/lung machine acts as a substitute heart that supplies
oxygen and pumps blood to the body until the actual heart start functioning.
I think the correct answer from the choices listed above is option C. The result of the dissociation of water is the formation <span>of H- and OH+ ions. This process is reversible which means that it could form back to water. Hope this answers the question. Have a nice day.</span>
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.
<span>When the microscope was invented, it helped the cell theory. This invention allowed scientists to see that everything was made up of cells and see what cells do. They needed this invention in order to see that cells existed and study them more in depth.</span>
Answer: the answer is D
Explanation: They use photosynthesis and use the sunlight