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What causes the lac genes in E. coli to turn off?
A lac repressor turns off the lac genes by binding to the operator.
How do prokaryotic cells turn genes on and off?
it likes chicken then not its like turning it off and on
Can genes turn on and off, and if so, what factors influence this process?
Yes, genes can turn on and off in a process called gene regulation. Factors that influence this process include environmental cues, cellular signals, and regulatory proteins.
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
Scientists are trying to find a way to turn off the genes that cause genetic disease This would be a type of?
DNA Manipulation
What is the function of DNA a cell?
The function of DNA in a cell is to code the way proteins turn genes on or off, and to carry genetic material.
What do prokaryotic and eukaryotic cells use to turn certain genes on or off?
Prokaryotic cells use regulatory proteins like repressors or activators that bind to the DNA to turn genes on or off. Eukaryotic cells use a combination of transcription factors, chromatin remodeling complexes, and non-coding RNAs to regulate gene expression.
What is the relationship between genes and the environment?
Genes are regulated through a number of ways. Some can be regulated by the environment you're in. For example, if you're in the sun a lot, genes will get turned on or up to increase the production of skin pigmentation so you get tanned. When you stay out of the sun, the genes turn off and your skin gets lighter.
When a a mother and father off baby mice are both white can the babies turn out a different color besides white?
It depends what the parents genes are.
What non protein molecule would result in the ability of the cell to turn off genes?
Small interfering RNA (siRNA) is a non-protein molecule that can result in the ability of the cell to turn off genes. siRNA binds to complementary messenger RNA (mRNA) molecules, leading to their degradation and preventing translation into protein, effectively silencing gene expression.
How does DNA methylation regulate gene activity?
DNA methylation is a process where methyl groups are added to specific regions of DNA, which can turn genes on or off. This modification can affect how genes are read and expressed, ultimately regulating gene activity.
Why do organisms turn on and off genes?
Each cell in out body contains all the genetic information of that organism. However, not all the information is needed. For example, a muscle cell only needs information about being a muscle cell so it would turn off information/ genes that it does not need. Also, some genes can be turned on and off when needed. For example, some bacteria can use lactose but lactose is not always present in the environment. Instead of wasting time making lactose enzymes, the bacteria would keep the gene turned off until it was needed.
