D. 19
I subtracted my largest number drone my smallest number.
tRNA-precursors were smaller than the modern tRNA and their primary function was to participate in the formation of new structures by joining two or more RNA molecules.
The adaptor hypothesis is the explanation of how information could be extracted from a nucleic acid into a string of amino acids in a specific sequence. The proposed explanation involved recognition between the adaptor (today tRNA) and the template nucleic acid .
Answer:
C
Explanation:
Large distances are easier to express in AU than in km. Hope this helps :)
Restriction enzymes<span> are found in bacteria. Bacteria use </span>restriction enzymes<span> to kill viruses – the </span>enzymes<span> attack the viral DNA and break it into useless fragments.
Hope this helps xox :)</span>