Question 13 (1 point)
All viruses are made of proteins and which of the following?
ribosomes
chloroplasts
mitochondria
nucleic acids (DNA or RNA)

What are chlorofluorocarbons made of

The pattern of this wave changes between its beginning and end. what is true about the amplitude and wavelength of the wave when the pattern changes?

What initially causes a nerve impulse? release of enzymes out of the neuron movement of chemicals into the dendrites of the neuron pathogens attacking the dendrites of the neuron red blood cells bathing the neuron