Clever mechanisms turn genes off and on so that they only function when there is a need for their services
Genes code for proteins
one gene codes for one protein - apex
Genes are sections of DNA which contain the code to make different proteins. DNA is made of long chains of 4 different chemical bases, A,C,G and T. The combination of these bases provides the information on the sequence of amino acids that make a particular protein.
is transcribed into RNA. Promoters (I think that's what you meant, right?) don't function as genes; they stand as a signal for RNA polymerase to begin transcription of the actual gene, which begins about 25 base pairs downstream of the promoter region in eukaryotic DNA. Expressed genes DO code for proteins, but not all protein-coding genes are expressed. For example, the cells in your heart contain genes that code for proteins needed only in your liver. While those genes definitely code for proteins, they're not expressed. Expressed genes (and non-expressed genes, Ke$ha Looks like a man, for that matter) are made of DNA, not mRNA.
They reproduce quickly, so they often produce much of the desired protein in a short time.
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.
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.
Chromosomes contain genes, which carry the instructions for making proteins that control cell activities. However, it is the proteins produced by genes that directly regulate the activities within a cell.
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.
Genes work together by producing proteins that interact with each other to regulate a specific biological process. These proteins can activate or inhibit other genes, forming a complex network that controls the process. This coordination ensures that the process is carried out efficiently and accurately.
Of course they have genes. They need genes for survival and reproduction.
Period genes regulate the circadian rhythm in organisms by producing proteins that interact with other molecules to control the timing of biological processes, such as sleep-wake cycles. These proteins form a feedback loop that helps maintain the body's internal clock.
Plasmids are sections of DNA that are independent of the main chromosome found in prokaryotes. It does not have any proteins other than the ones associated with replication of the plasmid.
Genes control the production of proteins, which are essential for various biological processes in an organism. These proteins determine traits, regulate cell functions, and play a crucial role in maintaining overall health and functioning of the body.
Genes encode the instructions for building proteins, which are the primary functional molecules in cells. These proteins determine the structure and function of cells, tissues, and organs in an organism. Additionally, genes also regulate gene expression, cell processes, and overall development.
No, proteins do not determine genes. Genes are segments of DNA that encode instructions for making proteins. Proteins are the products of gene expression, meaning that genes are responsible for determining the sequence and structure of proteins.
Operon is not a protein. It is a segment of DNA that has cluster of genes controlled by the elements such as promoter, operator. Lac operon is a classic example where it regulate the utilization of Lactose in the medium.