Answer:
Mutation, an alteration in the genetic material (the genome) of a cell of a living organism or of a virus that is more or less permanent and that can be transmitted to the cell’s or the virus’s descendants. The genomes of organisms are all composed of DNA, whereas viral genomes can be of DNA or RNA.
take the test and it's correct
Answer:
I would say D
Explanation:
Most chemical properties can be determined by performing experiments that use specific materials or processes with known characteristics
In the immune response the body reacts to each kind of
pathogen with a defense targeted specifically for that pathogen.
A is your answer. Hope it helped!
Answer:
c. constant expression of the lac operon in the absence of lactose.
Explanation:
The lac operon allows to shift the metabolism from glucose to lactose. In the abscence of lactose, this repressor, lacl, impede the expression of the lac operon. If this repressor is not functional, the lac operon would be expressed in the absence of lactose.
