Cells contain smaller components called organelles that are necessary for a cell's survival. Organelle functions have often been compared to components of larger systems. What is the differences between the rough and smooth endoplasmic reticulum (ER) A. Rough ER breaks down toxic substances, and smooth ER only transports them out of the cell.

B. Rough ER can synthesize and package lipids for export , and smooth ER cannot .

C. Rough ER can produce ATP, and smooth ER cannot

D. Rough ER can synthesize and package proteins for export, and smooth ER cannot.​

european union policies. the eu's long-term objective is to achieve levels of air quality that do not result in unacceptable impacts on, and risks to, human health and the environment. eu policies aim to reduce exposure to air pollution by reducing emissions and setting limits and target values for air quality.

the main environmental problems in western europe were: energy production/acid rain, nuclear power/waste, air pollution/climate, heavy metals, pesticides, water pollution, solid waste, and unforeseen accidents. many environmental problems are common to most european countries.

the atomic number of magnesium is 12. its nucleus must contain 12 protons and no electrons. the atomic number of an atom is determined by the number of protons.

magnesium is an electrolyte injection commonly used to treat low magnesium levels in your blood. it is also used to prevent or control seizures in women with preeclampsia or eclampsia.

answer; cnidarians;