Answer:
a blob to generate to another which is option A:1
hope this helps you
Answer:
To move substances against a concentration or electrochemical gradient, a cell must use energy. Active transport mechanisms do just this, expending energy (often in the form of ATP) to maintain the right concentrations of ions and molecules in living cells.
Explanation:
After the orginal trand has been seperated in DNA replication, the tRNA's bring together an amino acid, strands wind tightly together -corresponding base pairs are laid, and lastly, the bases are proofread for any errors.
The observers is based only on an experiment
