Which of the following statements most accurately describes the effects caused by binding of the neurotransmitter (green dots) to the structure labeled c?
a. the membrane potential of the presynaptic membrane changes b. the neurotransmitter is transported into the postsynaptic neuron c. the membrane potential of the postsynaptic membrane changes d. an action potential is generated

Depending on the organism the number of in a cell may change

Q: a: in sexually reproducing animals, once fertilization of the egg takes place, the exists as a single cell until cell division begins

Asolution of an enzyme and a substrate was placed in a water bath and the temperature of the reaction was raised gradually. the graph shown was plotted at the end of the experiment. what can be concluded from the graph? a) temperature has no effect on the activity of the enzyme. b) the effect of temperature on the enzyme is unpredictable. c) the enzyme shows increased activity up to a certain temperature. d) the activity of the enzyme is inversely proportional to the temperature.