Answer;
Formation of an adenine-uracil base pair
Explanation;
-Mutations are sudden spontaneous changes that occur randomly in the genome or genetic make up of an organism. These changes occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke.
-Mutations range in size; they can affect anywhere from a single DNA building block (base pair) to a large segment of a chromosome that includes multiple genes.
-Mutations happen for several reasons which includes; failure of DNA to copy accurately, external influences or factors such as specific chemicals and radiations.
Answer:
B.) Can lead to new species that share common ancestors
Explanation:
Genetic drift and natural selection both lead to evolution. This describes the change of a species overtime to be better suited for their environments. In some cases, this leads to the creation of an entirely new species (speciation).
Answer:
the latitude and the proximity of a large body of water
Explanation:
the latitude will dwtermine wethernot not the area will be cold or warm. The large body of water because it instills that you would be able to cool down.
Enzyme activity can be affected by a variety of factors, such as temperature, pH, and concentration. Enzymes work best within specific temperature and pH ranges, and sub-optimal conditions can cause an enzyme to lose its ability to bind to a substrate.