Apostsynaptic cell can be a neuron, a muscle cell, or a secretory cell. what is an example of a presynaptic cell?
a) a neuron
b) a secretory cell
c) a schwann cell
d) a muscle cell

Q1.8. continuing your studies, you perform a transplant experiment. you chisel up multiple rocks from the upper intertidal zone, each holding 10 individuals of species a, and move them to the lower intertidal zone among individuals of species c. you count the number of individuals of all species on the rocks every day for 30 days. based on your findings, what can you conclude? (remember that all 3 species settle in this zone at equal rates.)

Donde se encuentra el adn nuclear en un organismo eucariota?

In many humans, exposing the skin to sunlight over prolonged periods of time results in the production of more pigment by the skin cells (tanning). this change in skin color provides evidence that -