Atmosphere of the early earth + lighting = paleolightning
Answer:
b. The two bacterial strains have different phenotypes.
Explanation:
In genetics, the trait that is expressed is often referred to as the dominant trait and it can also be expresssed phenotypically.
Since one of the bacteria produces the inducer, it therefore means that bacteria has the dominant strain for the regulatory inducer while the other bacteria might have the strain but since it is not expressed phenotypically, it is as a result not dominant.
Phenotype refers to the physical appearance of an organism as a result of the interaction of its genes with the environment. Examples of phenotypic expresssions are hair colour, skin colour, height, etc.
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The answer is Mutation.
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Answer:
Internal and external respiration
Explanation:
Internal respiration occurs inside your body and is an exchange of your body's gasses with its blood and tissues. External respiration is similar, but gasses are exchanged specifically with the lungs.
A more simple response could be breathing(ventilation) which is the process or air going in and out of the lungs.
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Answer:
The part of the enzyme where the substrate fits is known as the: active site
Explanation:
Enzymes work by bringing reactants together at a higher energy level than they would need in an uncatalyzed reaction.
