12 Questions
Ribosomes are too large to be seen under light microscopy.
False
Ribosomes can only be detected using basic dyes that bind to acidic structures.
False
The number of ribosomes in a cell is constant across different cell types.
False
Ribosomes are present in all cell types, including spermatozoa and red blood cells.
False
The sedimentation coefficient for the large eukaryotic ribosomal subunit is 80S.
True
The sedimentation coefficient for the whole ribosome of prokaryotes is 70S.
True
Ribosomes in eukaryotic cells can only be found in the cytoplasm, either free or bound to the endoplasmic reticulum.
False
The ribosome is made up of 70% protein, 50% rRNA, and 30% water.
False
The large ribosomal subunit of eukaryotic cells contains a 28S rRNA, a 5.8S rRNA, and a 5S rRNA.
True
Ribosomal proteins S in the small subunit recognize tRNA molecules.
True
The main function of the ribosome is to carry genetic information from DNA to mRNA.
False
Amino-acyl-tRNA binds to the A site on the ribosome.
True
Test your knowledge on the definition and structure of ribosomes, also known as 'Palade grains'. Learn about their composition, location, and function in protein synthesis. Explore the characteristics of ribosomes and their detection methods.
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