Chemical messengers and the Electrical signals are the two main methods by which cells communicate with each other to coordinate their functions and metabolic activities.
According to biologist, A cell communicates through chemical messengers, by sending the chemical signals to other cells and also receive that signal from another cell. Similarly, Electrical signals or impulses also work in the same way.
Therefore, body contains many types of lipids which works as a chemical messengers also electical signal or impulses can easily travel throught these lipids. Cell uses these chemical messengers and electrical impulses to communicate with other cell. Although, In order to trigger a response, these signals are transmitted across the cell membrane of the cell.
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Answer:
I think true statement is A.
Answer:
This means that some cells are able to letter molecules pass through them and this makes it easier for the molecules to pass through.
DNA to 8. the genetic blueprint for all cells
Nucleus to 5. acts as the "brain" of a cell
Connective cells to 9. tendons, blood, and fat are examples of these cells.
Epithelial tissues to 6. designed to regulate temperature, secrete lubricants, and protect the body from harmful substances.
Cytoplasm to 7. fluid like substance in a cell
Organelles to 3. structures that perform special functions within a cell
These are the only ones I know.
