Answer:
Taxonomy
Explanation:
Taxonomy is basically the study and classification of organisms into families, genus, etc.
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Answer:
option b is correct
Explanation:
if adenine is 20% so thymine is also 20% because equal amount thymine and adenine make a base pair the remaining percentage is 60% which is contributed by cytosine and guanine so cytosine contribute 30% and cytosine also contribute 30%
That bridge is called "pilus" provided by F+ bacteria.