What is the marker enzyme of Golgi complex?
What is the marker enzyme of Golgi complex?
The marker enzymes for the Golgi apparatus include latent inosine diphosphatase (IDPase) and a number of glycosyl transferases, including glucan synthase I and sterol glucosyl transferase.
What is the function of Golgi Appara?
The Golgi apparatus, or Golgi complex, functions as a factory in which proteins received from the ER are further processed and sorted for transport to their eventual destinations: lysosomes, the plasma membrane, or secretion.
What is Juxtanuclear Golgi?
In mammalian cells, the juxtanuclear localization of the Golgi complex involves the translocation of pre-Golgi vesicles along microtubules using a molecular motor protein called dynein. The Golgi stacks are often organized into interconnected ribbon-like structures.
What is Dictyosome and Golgi body?
The key difference between Golgi bodies and dictyosomes is that Golgi bodies are a type of cell organelle composed of stacks of cisternae in eukaryotes while dictyosomes are the individual cisternae which collectively form the Golgi bodies.
What are marker enzymes?
Enzyme markers are tests for specific enzyme activity in the body. Diseases or defects passed down through families (inherited) can affect how enzymes work. Some enzymes are affected by several genes. Test results are usually reported as a percentage of normal enzyme activity.
Which is the marker enzyme of endoplasmic reticulum?
NADPH cytochrome c (cyt c) reductase and glucose-6-phosphatase, two enzymes thought to be restricted to the endoplasmic reticulum (ER) and widely used as ER markers, are present in isolated Golgi fractions assayed immediately after their isolation.
What is the difference between smooth and rough ER?
The rough ER, studded with millions of membrane bound ribosomes, is involved with the production, folding, quality control and despatch of some proteins. Smooth ER is largely associated with lipid (fat) manufacture and metabolism and steroid production hormone production. It also has a detoxification function.
What is the meaning of cisternae?
a : one of the large spaces under the arachnoid membrane. b : one of the flattened vesicles comprising the Golgi apparatus and the part of the endoplasmic reticulum studded with ribosomes.
Is Golgi apparatus and Golgi complex the same?
The Golgi apparatus, also called Golgi complex or Golgi body, is a membrane-bound organelle found in eukaryotic cells (cells with clearly defined nuclei) that is made up of a series of flattened stacked pouches called cisternae. It is located in the cytoplasm next to the endoplasmic reticulum and near the cell nucleus.
Why are Golgi bodies called dictyosomes?
In the vesicles of Golgi apparatus, the proteins are processed and sorted for future secretion, storage, transport etc. Usually, the plant cells contain smaller Golgi Apparatus type vesicles, which are called dictyosomes. Thanks.
Is Golgi apparatus and dictyosome same?
The Golgi apparatus is part of the membrane system that also contains the ER. It consists of stacked membrane-coated cavities, called dictyosomes (Fig. 1.4B). The Golgi apparatus is located close to the nucleus and can be very large in secretory cells, where it fills almost the complete cytoplasm.
Which is the marker enzyme of lysosome?
Lysosomes are organelles, present in all eukaryotic cells, that stain positive with acidotrophic dyes, and contain numerous forms of acid hydrolases. These enzymes are defined as lysosomal marker enzymes, of which acid phosphatase (EC 3.1. 3.2), N-acetyl-β-d-glucosaminidase (EC 3.2. 1.30), and β-galactosidase (EC 3.2.