Which organelle provides a protective covering to the cell and controls what enters and leaves? lysosome
cell membrane
cytoplasm
ribosome

What is the primary goal of human communities?

Which ideas did your answer contain? check all that apply. no food for organisms no oxygen in the atmosphere no trees or flowering plants no products based on trees or plants (building materials, medicines, fuels, fibers) no fossil fuels

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