Lisa and Vinay are looking under a microscope at animal cells. They see an organelle that they think is the endoplasmic reticulum. Which statement would support their
idea?

•the organelle contains DNA
•Othey observed ribosomes on the structure

The correct answer is - they observed ribosomes on the structure.

Explanation:

The endoplasmic reticulum is the cellular organ eukaryotic organisms, that is tubular in shape and present in the cytoplasm that plays role in protein folding and part of the transport system of the cell. It has two subunits smooth endoplasmic reticulum and rough endoplasmic reticulum.

Rough endoplasmic reticulum has ribosome molecules present on the surface of the structure that is sending the protein to ER where folding of the protein and transport of the protein.

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the relative atomic mass of an element is the mass of one atom of that element, relative to 1/12th of the mass of a  1212c atom. to convert to an absolute mass in kg, it is necessary to multiply by  1.661×10−271.661×10−27.

the relative atomic mass is roughly equal to the number of neutrons, plus the number of protons, in the nucleus of the atom.

for elements with more than one stable isotope (different types of nucleus with different numbers of neutrons but the same number of protons), the quoted mass is usually the average mass, weighted by the relative abundance of the different isotopes.