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Do prokaryotes have genes?
Yes, prokaryotes have genes. Genes are segments of DNA that contain the instructions for making a protein or RNA molecule. Prokaryotes have a circular chromosome that contains genes, along with additional genetic material in plasmids.
What is the group of genes that are operated together in prokaryotes?
The group of genes that are operated together in prokaryotes is called an operon. Operons consist of multiple genes that are transcribed together as a single unit, along with an operator and a promoter region that controls their expression. This coordinated expression allows prokaryotes to efficiently regulate gene expression in response to environmental conditions.
What 2 scientists determined how genes are expressed in prokaryotes?
Jaques Monod and Francois Jacob
How do dna-binding proteins in prokaryotes regulate genes?
Clever mechanisms turn genes off and on so that they only function when there is a need for their services
Why prokaryotes do not have introns?
Prokaryotes do not have introns in their DNA because they lack a nucleus and have a simpler genetic organization compared to eukaryotes. Their genes are typically continuous sequences without interruptions, unlike eukaryotic genes which can have introns that need to be spliced out during gene expression.
What are prokaryotes that have genes similar to those of eukaryotes?
Prokaryotes that have genes similar to those of eukaryotes include certain archaea, particularly those within the phylum Euryarchaeota, and some bacteria that exhibit eukaryote-like features. These organisms often possess genes related to processes such as transcription and translation that share homology with eukaryotic counterparts. Additionally, some prokaryotes can undergo horizontal gene transfer, acquiring eukaryotic-like genes from their environment or other organisms, further contributing to their genetic similarity.
How prokaryotes control gene expression?
The operon often controls the transcription of prokaryote genes.
Are hox genes regulated by operons?
No, hox genes are not regulated by operons. Operons are found in prokaryotes and involve a group of genes that are transcribed together under the control of a single promoter. Hox genes are a group of eukaryotic genes that play a key role in embryonic development and are regulated by complex mechanisms involving enhancers and other regulatory elements.
What part of a DNA molecule contains the instruction of making chromosome packaging proteins?
In prokaryotes the genes directly specify proteins.In eukaryotes the exons within the genes specify proteins, the introns within the genes are noncoding DNA that alternate with exons and are spliced out in the process of transcription to messenger RNA.
What is Operon Models?
Operon models are a concept in genetics that describe how genes are regulated in prokaryotic cells. In prokaryotes, genes with related functions can be grouped together on the DNA into a single unit called an operon. The operon includes a promoter, operator, and structural genes that are transcribed together as a single mRNA.
What is a set of prokaryotic genes that are regulated and transcribed as a unit?
A set of prokaryotic genes that are regulated and transcribed as a unit is called an operon. In prokaryotes, operons consist of multiple genes that are transcribed together into a single mRNA molecule under the control of a single promoter. This allows for coordinated expression of genes involved in related functions.
Do Prokaryotes have Prokaryotes?
yes prokaryotes have prokaryotes
