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Because they are ultra microscopic! you can tract them if you have high resolution microscopes such as electron microscopes.

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10y ago

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Related Questions

What are the 5 parts to the animal cell called?

nucleus, ribosomes, lysosomes, endoplasmic reticulum (ER), Golgi bodies, cell membrane, cytoplasm, mitochondria,


What are the organelles for the animal cell?

mitochondria peroxisomes lysosomes golgi apparatus/ complex nucleus nucleolus endoplasmic reticulum (ER) : smooth endoplasmic reticulum rough endoplasmic reticulum ribosomes


What organelles can be found in the cytoplasm and on the surface of rough endoplasmic reticulum?

Ribosomes


What is an exampleof organelle?

mitochondria, Golgi apparatus, endoplasmic reticulum, lysosome, ribosomes, vacuoles


What is the endoplasmic reticulum lacking ribosomes?

Smooth Endoplasmic Reticulum lacks ribosomes.


What cell organelle is packed with ribosomes?

The endoplasmic reticulum (specifically the rough endoplasmic reticulum) is the cell organelle that is packed with ribosomes. Ribosomes on the rough endoplasmic reticulum are involved in protein synthesis.


Which cell structures are sometimes found attached to the endoplasmic reticulum A. Chloroplast B. Mitochondria C. Vacuoles D. Nuclei E. Ribosomes?

E. Ribosomes are the cell structures that are sometimes found attached to the endoplasmic reticulum. Ribosomes on the endoplasmic reticulum are called rough endoplasmic reticulum and are involved in protein synthesis.


Why can't you see the Endoplasmic Reticulum Mitochondria and ribosomes in Elodea?

Go ask your teacher. Bye.


What do attached ribosomes do?

Ribosomes attach to the Endoplasmic Reticulum forming Rough Endoplasmic Reticulum.


What does rough endoplasmic reticulum have embedded on its surface?

Ribosomes are embedded on the surface of rough endoplasmic reticulum. These ribosomes are responsible for protein synthesis, and their presence gives the rough endoplasmic reticulum its characteristic bumpy appearance.


Are ribosomes always found in the endoplasmic reticulum?

No, ribosomes are not always found in the endoplasmic reticulum. Ribosomes can be free-floating in the cytoplasm or attached to the endoplasmic reticulum. Ribosomes attached to the endoplasmic reticulum are called rough endoplasmic reticulum, while ribosomes in the cytoplasm are called free ribosomes.


Are ribosomes sometimes attached to the mitochondria forming rough mitochondria?

No. Ribosomes make Proteins/Polypeptide chains, and when attached to endoplasmic reticulum (E.R.) Makes Rough E.R.