A signal is transferred within a single nerve cell, What is this an example of?

a. gap junction
b. receptor
c. intercellular communication
d. intercellular communications

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Deer cave cannot support photosynthesis is as not enough sunlight is present. in spite of this, it still has a complex food chain. what is the energy foundation of this food chain?

Fungi are classified into how many groups? a. 1 group b. 2 groups c. 3 groups d. 4 groups

The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.