Why did griffith test to see whether the bacteria recovered from the sick mice in his last experiment would produce smooth or rough colonies in a petri dish?

Which describes radioactive decay of a substance

Transmission electron microscope are best for viewing a) microorganisms in pond water b) internal organs of a mouse c)internal structures of a cell d) surface features of a specimen

Match each description of an object’s motion with the position-time graph that represents it. not moving moving with constant speed speeding up slowing down