Answer:
C.
Explanation: It lasts until all the codons are read,so it encounters a stop codon.
The first thing is that the enzyme, DNA helicase
breaks the hydrogen bonds to unzip the double strand of dna for replication to take place
Answer:
a. By Calculating magnetic reversals.
Explanation:
They determine the age of the ocean floor by examining magnetic fields in the planet Earth.
A. Ancestors of whales may once have been able to walk.