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What cell organelles lack membranes as part of their structure?
Ribosomes and centrioles are cell organelles that lack membranes as part of their structure. Ribosomes are responsible for protein synthesis, while centrioles play a role in cell division.
What part of the cell has an extensive network of membranes with ribosomes on the surface?
The endoplasmic reticulum (ER) is the part of the cell that has an extensive network of membranes with ribosomes on its surface. There are two types of ER—rough ER, where ribosomes are attached and involved in protein synthesis, and smooth ER, which lacks ribosomes and is involved in lipid metabolism and detoxification.
Which organelles are NOT covered by membrane in the cell?
In a typical animal cell, the only major organelles not covered by membranes are the ribosomes. Ribosomes are composed of r-RNA and proteins.
What are membranes folds inside the cell that have ribosomes stuck to them?
Membrane folds inside the cell with ribosomes attached are called rough endoplasmic reticulum (RER). They are involved in protein synthesis and processing. The ribosomes on the RER give it a "rough" appearance under a microscope.
Is endoplasmic reticulum bounded by 2 membranes?
No, the endoplasmic reticulum (ER) is not bounded by two membranes. It is a network of membranes within the cell that can be either rough (with ribosomes attached) or smooth (lacking ribosomes). The rough ER is involved in protein synthesis and processing, while the smooth ER is involved in lipid synthesis and detoxification.
What cell organelles lack membranes as part of their structure?
Ribosomes and centrioles are cell organelles that lack membranes as part of their structure. Ribosomes are responsible for protein synthesis, while centrioles play a role in cell division.
What do Prokaryote and Eukaryotes have in common?
They both have a cell membrane, ribosomes, and DNA (although in the prokaryotic cell, it is just a "nucleoid region" while the eukaryotic cell contains the nucleus, nuclear envelope, Nucleolus, etc.
What material inside the cell membranes not including the nucleus?
Protoplasm/Cytoplasm Ribosomes Mitochondria
What are found in animal and plant cells?
animals-cell membranes, cytoskeletons, nucleus, ribosomes, the endoplasmic reticulum, mitochondrion, vesicles and the golgi complex plants-cell walls, cell membranes, cytoskeletons, nucleus, ribosomes, the endoplasmic reticulum, mitochondrion, vesicles, the golgi complex, and chloroplasts
What part of the cell has an extensive network of membranes with ribosomes on the surface?
The endoplasmic reticulum (ER) is the part of the cell that has an extensive network of membranes with ribosomes on its surface. There are two types of ER—rough ER, where ribosomes are attached and involved in protein synthesis, and smooth ER, which lacks ribosomes and is involved in lipid metabolism and detoxification.
Which organelles are NOT covered by membrane in the cell?
In a typical animal cell, the only major organelles not covered by membranes are the ribosomes. Ribosomes are composed of r-RNA and proteins.
What has a series of membranes studded with ribosomes following organelles?
The rough endoplasmic reticulum is located close to or surrounding the nuclear envelope. This is studded with ribosomes.
How are the function of ribosomes and why cell need them?
Other proteins support cell functions and are found embedded in membranes. Proteins even make up most of your hair. When a cell needs to make proteins, it looks for ribosomes.
How does Cholesterol as a lipid that tends to stabilize the cell membranes making the cell more rigid with cholestoerol as compared to withough cholesterol.?
ribosomes
What part of a cell makes membranes and processes proteins?
The endoplasmic reticulum makes membranes and processes proteins in a cell. There are two types: rough endoplasmic reticulum (with ribosomes attached for protein synthesis) and smooth endoplasmic reticulum (involved in lipid synthesis and detoxification).
What structure is present in both prokaryota and eukaryota?
Prokaryotes and Eukaryotes both have cell membranes, cytoplasm, ribosomes and DNA
What does ribosomes do in a bacteria cell?
A bacterial cell contains about 10,000 ribosomes which co up to 30% of the weight of the bacterium. In contrast to most eukaryote ribosomes, the bacterial ribosomes do not appear to be attached to internal cell membranes, but are found free in the cytoplasm. In functionally, active bacteria the cytoplasm is packed -with free and randomly distributed ribosomes. This dense packing may mask any attachment to internal membranes. Strings of ribosomes have been found loosely attached to the inside of the plasma membrane.
