<span>Rough ER is called rough because it has ribosomes attached to its surface. The double membranes of smooth and rough ER form sacs called cisternae. Protein molecules are synthesized and collected in the cisternal space/lumen. When enough proteins have been synthesized, they collect and are pinched off in vesicles.</span>
They do not use fossil fuels.
A slow
b very viscous (viscosity is the thickness)
c no
d effusive eruption SHIELD VOLCANO
Answer:
James Watson and Francis Crick were the first to discover the structure of DNA in the 1950s
