What is the size of smooth endoplasmic reticulum?

The smooth endoplasmic reticulum is primarily composed of three-dimensional polygonal networks of tubules called cisternae. They are about 50 nm in diameter in mammals and 30 nm in diameter in yeast.

1. What size is a endoplasmic reticulum?
2. How big is the smooth endoplasmic reticulum in micrometers?
3. Is the smooth or rough ER bigger?
4. What is the shape of the smooth endoplasmic reticulum?
5. What size are mitochondria?
6. What is cell size?
7. What is the size of a mitochondria in nanometers?
8. What is the size of the cell wall?
9. What size are ribosomes?
10. What is smooth endoplasmic reticulum Class 9?
11. How is smooth endoplasmic reticulum different from rough endoplasmic reticulum?
12. What is smooth endoplasmic reticulum and rough endoplasmic reticulum?
13. What is smooth endoplasmic reticulum made of?
14. What is the internal space of the endoplasmic reticulum called?
15. Does the smooth endoplasmic reticulum have ribosomes?

What size is a endoplasmic reticulum?

The membranes of the endoplasmic reticulum are between 5 nm and 8 nm thick. The lumen of the RER is approximately 20 nm to 30 nm wide, whereas that of the SER is larger (30-60 nm). The morphologic characteristics and amount of the endoplasmic reticulum vary in the different zones of the liver lobule.

How big is the smooth endoplasmic reticulum in micrometers?

We found the persistence length of the ER tubules to be 3.03 ± 0.24 μm, measured from both live and fixed cells.

Is the smooth or rough ER bigger?

SMOOTH ENDOPLASMIC RETICULUM

Smooth ER is more tubular than rough ER and forms an interconnecting network sub-compartment of ER. It is found fairly evenly distributed throughout the cytoplasm.

What is the shape of the smooth endoplasmic reticulum?

The smooth ER is a continuous extension of the rough ER, located more distally from the nucleus. Whereas the rough ER is shaped like flattened hollow pancakes in many cell types, the smooth ER is usually more tubular in structure, forming a lacelike reticulum.

What size are mitochondria?

Mitochondria are organelles typically ranging in size from 0.5 micrometer to 1 micrometer in length, found in the cytoplasm of eukaryotic cells. Mitochondria contain the inner and outer membranes, separated by a space.

What is cell size?

The size of a cell can be as small as 0.0001 mm (mycoplasma) and as large as six to twelve inches (Caulerpa taxifolia). Generally, the unicellular organisms are microscopic, like bacteria. But a single cell like an egg is large enough to touch.

What is the size of a mitochondria in nanometers?

Although the mitochondrial tubules can be several μm long, their diameter is typically between 200 and 700 nm, which is around the diffraction limit that restricts the attainable resolution in classical (fluorescence) microscopy (18; 19).

What is the size of the cell wall?

"Ranging from 5 to 80 nm in diameter, the walls of prokaryotic cells get their tensile strength from murein."

What size are ribosomes?

Ribosomes from various sources (prokaryotes, eukaryotic cytoplasm, mitochondria, chloroplasts, and kinetoplasts) vary in size from 20 to 30 nm in diameter, but all are composed of a large and a small subparticle or subunit and perform similar functions in protein synthesis.

What is smooth endoplasmic reticulum Class 9?

The smooth endoplasmic reticulum has a tubular form. It participates in the production of phospholipids, the chief lipids in cell membranes and are essential in the process of metabolism. Smooth ER transports the products of the rough ER to other cellular organelles, especially the Golgi apparatus.

How is smooth endoplasmic reticulum different from rough endoplasmic reticulum?

The smooth endoplasmic reticulum (SER) is distinguished from the rough endoplasmic reticulum (RER), the other basic type of endoplasmic reticulum, by its lack of ribosomes, which are protein-synthesizing particles that can be found attached to the outer surface of the RER to give the membrane its “rough” appearance.

What is smooth endoplasmic reticulum and rough endoplasmic reticulum?

The main difference between these two terminologies is that the Smooth Endoplasmic Reticulum is known for stocking the lipids and proteins. It is not bounded by ribosomes. Whereas, the Rough Endoplasmic Reticulum is bounded by the ribosomes and also stores proteins.

What is smooth endoplasmic reticulum made of?

The smooth endoplasmic reticulum is primarily composed of three-dimensional polygonal networks of tubules called cisternae. They are about 50 nm in diameter in mammals and 30 nm in diameter in yeast.

What is the internal space of the endoplasmic reticulum called?

The tubules and sacs are all thought to interconnect, so that the ER membrane forms a continuous sheet enclosing a single internal space. This highly convoluted space is called the ER lumen or the ER cisternal space, and it often occupies more than 10% of the total cell volume (see Table 12-1).

Does the smooth endoplasmic reticulum have ribosomes?

Smooth endoplasmic reticulum, ( SER), has been found involved in steroid synthesis. SER does not have ribosomes on its surface, however, and thus does not participate in the making of proteins.