Operons are the functional units of transcription and genetic regulation. These are found in bacteria and their viruses where genes coding for functionally related proteins are grouped along the DNA.
The two types of operons are- inducible and repressible.
They regulate the genes as in negative inducible operons, a regulatory repressor protein is bound to the operator. It prevents the transcription of the genes on the operon. If positive inducer is present, it binds to the repressor and changes its conformation so it is unable to bind to the operator.
Answer:
Proteolytic enzyme, also called protease, proteinase, or peptidase, any of a group of enzymes that break the long chainlike molecules of proteins into shorter fragments (peptides) and eventually into their components, amino acids.
According to the principle of segregation, gene pairs for a trait are split during the formation of gametes.
<u>Explanation</u>:
- This segregation was first observed by Gregor Mendel. He used pea plants for studying genetics.
- He crossed the pea plants and he discovered that traits in the offspring are not like the parental plants.
- He understands that alleles encoding the traits of each parental plant are separated during the formation of reproductive cells.
- By this only Mendel observed the principle of segregation. During meiosis only segregation of gene takes place and that produces reproductive cells called gametes.
Answer:
If a forest fire occurs it will impact a population of birds that nest in those trees because their habitat will be burnt down. This will provoke the birds to find a new habitat which can be hard if the entire forest is burnt down. Additionally resources such as food will be burned down as well.
Answer:
the answer is no a thanks
