All eukaryotic genomes carry introns as parts of some gene structures and the introns are to be eliminated by a complex molecular machinery called the spliceosome comprising five snRNAs and more than 150 proteins . Where are introns found in eukaryotes? For example, introns are extremely common within the nuclearRead More →
Protozoa are single-celled eukaryotes (organisms whose cells have nuclei) that commonly show characteristics usually associated with animals, most notably mobility and heterotrophy. They are often grouped in the kingdom Protista together with the plant-like algae and fungus-like water molds and slime molds. Are protozoa multicellular eukaryotes? Protists. Protists are unicellularRead More →
Eukaryotic cell wall is made up of cellulose hemicellulose, pectin chitin etc. Thus, is not true for eukaryotic cell. … In eukaryotes cell organelles are highly complex and membrane bound and the mitochondria in eukaryotes bear a separate circular DNA. Which structure could not be seen using an electron microscope?Read More →
Many people think that eukaryotes are all multicellular, but this is not the case. While prokaryotes are always unicellular organisms, eukaryotes can be either unicellular or multicellular. For example, most protists are single-celled eukaryotes! Why are eukaryotes multicellular? Eukaryotic cells are more complex than prokaryotes, and the DNA is linearRead More →
Yeast are a type of fungus. bacteria do their fermentation work on milk curds in an enclosed wheel. Carbon dioxide is produced and causes the holes in this tasty food. Are plants multicellular or unicellular? Plants are multicellular. 2. Plant cells have cells walls and unique organelles. Which of theseRead More →
Flagella is a structure that exists on both eukaryotic and prokaryotic cells and serves the purpose of moving the cell through the fluid environment in which that cell is found in. Which types of cells have flagella? Flagella are filamentous protein structures found in bacteria, archaea, and eukaryotes, though theyRead More →
In prokaryotic cells, the bacterial polysomes are in the form of double row structures and the ribosome is contacting each other within smaller subunits. In eukaryotic cells, the densely packed 3D helices and double row polysomes which are planar are found, which are similar to that of prokaryotic polysomes. DoRead More →
Sets of transcription factor proteins bind to specific DNA sequences in or near a gene and promote or repress its transcription into an RNA. RNA processing. Splicing, capping, and addition of a poly-A tail to an RNA molecule can be regulated, and so can exit from the nucleus. What isRead More →
Sets of transcription factor proteins bind to specific DNA sequences in or near a gene and promote or repress its transcription into an RNA. RNA processing. Splicing, capping, and addition of a poly-A tail to an RNA molecule can be regulated, and so can exit from the nucleus. What isRead More →