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True or false rough endoplasmic reticulum appears rough?
True. The rough endoplasmic reticulum (RER) appears rough because it is covered with ribosomes, which are responsible for protein synthesis. The presence of ribosomes on the RER gives it a bumpy or rough appearance under a microscope.
Is it false that the Ribosomes endoplasmic recticulum and the Golgi apparatus functionally act in sequence to synthesize and modify proteins for a secretory use only never for use by cell?
No, it is false. While the ribosomes synthesize proteins, the endoplasmic reticulum modifies and folds them, and the Golgi apparatus then further processes and packages them, not all synthesized proteins are destined for secretion. Some proteins are used within the cell for various functions such as structural support, enzymatic reactions, or signaling pathways.
Is it true that the Ribosomes endoplasmic recticulum and the Golgi apparatus functionally act in sequence to synthesize and modify proteins for a secretory use only never for use by cell?
That is not entirely accurate. While the ribosomes synthesize proteins in the cell, the endoplasmic reticulum modifies and folds these proteins before transporting them to the Golgi apparatus. The Golgi apparatus further modifies and packages proteins for secretion, but it also plays a role in processing and sorting proteins for use within the cell.
Is it true or false that ribosomes are permeable to the nuclear membrane?
False. Ribosomes are not permeable to the nuclear membrane. They are synthesized in the nucleolus of the nucleus and then transported out through nuclear pores to the cytoplasm where they function in protein synthesis.
Is Chilling a liquid will increase evaporation at the surface true or false?
It is not true.
True or False Do Ribosomes carry out lipid synthesis?
False. Ribosomes do not carry out lipid synthesis. Lipid synthesis occurs in the endoplasmic reticulum and other organelles within the cell. Ribosomes are responsible for protein synthesis.
True or false rough endoplasmic reticulum appears rough?
True. The rough endoplasmic reticulum (RER) appears rough because it is covered with ribosomes, which are responsible for protein synthesis. The presence of ribosomes on the RER gives it a bumpy or rough appearance under a microscope.
True or false Ribosomes differ from other organelles in that they are membrane bound?
False. Ribosomes are not membrane-bound organelles. They are small, complex structures responsible for protein synthesis within the cell. They can be found free-floating in the cytoplasm or attached to the endoplasmic reticulum.
Many membrane proteins are made by the Smooth endoplasmic reticulum true or false?
true
True or false: The smooth endoplasmic reticulum is important for making lipids and detoxifying harmful materials in the cell?
true
Is it false that the Ribosomes endoplasmic recticulum and the Golgi apparatus functionally act in sequence to synthesize and modify proteins for a secretory use only never for use by cell?
No, it is false. While the ribosomes synthesize proteins, the endoplasmic reticulum modifies and folds them, and the Golgi apparatus then further processes and packages them, not all synthesized proteins are destined for secretion. Some proteins are used within the cell for various functions such as structural support, enzymatic reactions, or signaling pathways.
Is it true that the Ribosomes endoplasmic recticulum and the Golgi apparatus functionally act in sequence to synthesize and modify proteins for a secretory use only never for use by cell?
That is not entirely accurate. While the ribosomes synthesize proteins in the cell, the endoplasmic reticulum modifies and folds these proteins before transporting them to the Golgi apparatus. The Golgi apparatus further modifies and packages proteins for secretion, but it also plays a role in processing and sorting proteins for use within the cell.
Ribosomal RNA is produced by this structure?
Ribosomal RNA is produced by the nucleolus, which is a substructure found within the nucleus of eukaryotic cells. The nucleolus is responsible for synthesizing and assembling the components of ribosomes, including ribosomal RNA.
The assembly of ribosomes begins in a small dense structure called the chromatin true or false?
False. The assembly of ribosomes begins in a small dense structure called the nucleolus, not the chromatin.
Does the Golgi complex make peroxisomes but not lysosomes?
No, the Golgi complex does not directly make peroxisomes or lysosomes. Peroxisomes are derived from the endoplasmic reticulum, while lysosomes are formed from the Golgi complex. Both organelles play distinct roles in the cell's metabolism and degradation processes.
Is it true or false that ribosomes are permeable to the nuclear membrane?
False. Ribosomes are not permeable to the nuclear membrane. They are synthesized in the nucleolus of the nucleus and then transported out through nuclear pores to the cytoplasm where they function in protein synthesis.
A shiny surface reflects less light than a matte surface?
A shiny surface reflects 'more' light than a matt surface.
