Answer:
One of the key molecules in DNA replication is the enzyme DNA polymerase. DNA polymerases are responsible for synthesizing DNA: they add nucleotides one by one to the growing DNA chain, incorporating only those that are complementary to the template.
Explanation:
Rocks,water,pebbles = Abiotic
Fish =Biotic
The sodium and potassium ions are transported using a sodium potassium pump the process of moving sodium and potassium ions across the cell membrane.
Answer:
DNA tightly coils around proteins and condenses into chromosomes, which fit in the nucleus.
Explanation: