Which of the following could be considered a reliable source of scientific information? a. a scientist's presentation of experimental results at a scientific conference. b. a sales representative's glowing description of the benefits of a new drug. c. an elected politicians claims concerning the validity of a scientific study. d. a newspaper reporter's article about the results of a secret experiment.

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.

Archaebacteria use for movement. celia flagella pili cell walls

Which particle controls what element an atom is?