<span>A tiger looks so much different as an adult than it did as a single fertilized egg because it developed through different stages from being a zygote (fertilized egg), to becoming an embryo (where it experiences intense cellular changes), to becoming a fetus (where it gains a great measure of cell specialization, and develops distinct tissues and organ systems). After birth, the tiger still undergoes further growth and development into adulthood. This is largely regulated by the expression of different genes at different times and also by environmental factors.</span>
Nucleic acids because the DNA of a organic compound is part of the nuculis family
Answer:
True
Explanation:
<em>The three groups of organisms have the capability to cause different diseases in humans and other animals. The specific ones among them that can cause diseases are said to be pathogenic while those that are incapable of causing diseases are said to be non-pathogenic.</em>
In a chemical reaction, a reactant bonds to an enzyme at a region known as the Active Site.
