Answer:
In a chemical reaction the total mass of all the substances taking part in the reaction remains the same. Also, the number of atoms in a reaction remains the same. Mass cannot be created or destroyed in a chemical reaction
DNA replication results to the formation of 2 daughter DNA molecules and this replication is called Semi conservative replication of DNA
the 2 strands of a parent cell uncoil and each one synthesizes a new strand of DNA and then the daughter DNA separate from the parent and thus forming 2 DNA molecules
hope this helps
Answer:
An inducer (b) stimulates the synthesis of the needed enzyme.
Explanation:
A repressor is bound to the operator in the DNA chain inhibiting the synthesis of a needed enzyme. When the inducer binds to the repressor, this one change its shape and as a result, the repressor is not bound to the promoter anymore starting the synthesis of a specific enzyme.
It is false, its held on Aprill 22nd
For the answer to the question above, they are suffering from <span><u>"Sickle cell anemia"</u>. This is </span>a group of disorders that affects hemoglobin, the molecule in red blood cells that delivers oxygen to cells throughout the body. People with this disorder have atypical hemoglobin molecules called hemoglobin S, which can distort red blood cells into a sickle, or crescent, shape.