I think the answer is c but I looked it up and got this: system or thing used as an example to follow or imitate.
Answer:
a gated sodium channels open and sodium ions flood into the cell
Chlorophyll is the source of carbon in the sugar molecule
Answer:
Organisms that are more complex, such as eukaryotes, have cells that are specialized for specific functions. Gene regulation needs to be more complex to produce these specialized cells for complex organisms. Please Mark Me Brainliest
Explanation:
<span>your answer is cranial cavity </span>
