The bond formed between the sugar of one nucleotide and the phosphate of an adjacent nucleotide is a covalent bond. A covalent bond is the sharing of electrons between atoms. A covalent bond is stronger than a hydrogen bond (hydrogen bonds hold pairs of nucleotides together on opposite strands in DNA).
Brain size has increased nearly 3x in 4 million years.
There will be huge changes in an ecosystem
Answer:
BH BH bH bH
Explanation:
I used the foil method to solve the problem