What is true of intercellular signals that do not go through direct connections between cells, such as plasmodesmata?

Need an answer asap 45 points and brainlest to the first person to answer why do scientific theories, such as biological and chemical evolution, represent the strongest explanation of the changes observed in the fossil record. must be in sentence form how can scientific theories on evolution and the fossil record change over time? must be in sentence form

Dna replication or repair occurs in a cell in all of thw following situations except when

If your blood becomes too concentrated with iona, what will happen to the red blood cells