Does endoplasmic reticulum have DNA and ribosomes?
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Does endoplasmic reticulum have DNA and ribosomes?
The short answer to it is no. Ribosomes do not contain DNA. Hence, ribosomes contain ribosomal proteins and rRNA.
Which organelle does not contain DNA?
Explanation: Mitochondria and chloroplasts have their own DNA apart from the nucleus in a cell. Lysosomes and vacuoles do not have DNA.
What does the endoplasmic reticulum contain?
The endoplasmic reticulum can either be smooth or rough, and in general its function is to produce proteins for the rest of the cell to function. The rough endoplasmic reticulum has on it ribosomes, which are small, round organelles whose function it is to make those proteins.
What organelle contains your DNA?
The three organelles that contain DNA are the nucleus, mitochondria and chloroplasts. Organelles are membrane-bound subunits within a cell — analogous to organs in the body — that perform specific functions. The nucleus is the control center of the cell, and houses genetic information.
Which of these organisms do not contain DNA?
Prokaryotic cells do not have a nucleus. Instead, their DNA floats around inside the cell. Organisms with prokaryotic cells are called prokaryotes….Prokaryotic Cells.
| Prokaryotic Cells | Eukaryotic Cells | |
|---|---|---|
| Nucleus | No | Yes |
| DNA | Single circular piece of DNA | Multiple chromosomes |
| Membrane-Bound Organelles | No | Yes |
Which cell does not have DNA?
red blood cells
Not every cell in the human body contains DNA bundled in a cell nucleus. Specifically, mature red blood cells and cornified cells in the skin, hair, and nails contain no nucleus. Mature hair cells do not contain any nuclear DNA.
What are the 3 main functions of the endoplasmic reticulum?
The endoplasmic reticulum (ER) serves important functions particularly in the synthesis, folding, modification, and transport of proteins.
What are the functions of endoplasmic reticulum?
Endoplasmic reticulum performs the following functions:
- It is responsible for the production and secretion of steroid hormones.
- It is also responsible for the synthesis of essential lipids such as phospholipids and cholesterol.
- It is responsible for the metabolism of carbohydrates.
What organelle contains DNA Besides nucleus?
The mitochondria are the organelle other than the nucleus comprising the DNA. The mitochondria incorporate nucleic material, which is named mitochondrial DNA, in contrast to chromosomal DNA.
What cell has no DNA?
Not every cell in the human body contains DNA bundled in a cell nucleus. Specifically, mature red blood cells and cornified cells in the skin, hair, and nails contain no nucleus. Mature hair cells do not contain any nuclear DNA.