<span> Differentiation occurs numerous times during the development of a multicellular organism as it changes from a simple zygote to a complex system of tissues and cell types.</span>
Answer:
Thymine
Explanation:
DNA nucleotide bases always attach in specific pairs.
Adenine is always with Thymine and Cytosine is always with Guanine. Here, since one nucleotide is Adenine, we know the other nucleotide is Thymine.
One way to remember this pairing is by this device:
Car in the Garage (cytosine goes with guanine)
and
Apple on the Tree (adenine goes with thymine)
They can make food, help keep the environment clean, and make medicines.
Answer:
because it can change in an instant
Explanation: