A. they have a higher proportion of adenine–thymine than guanine–cytosine base pairs.
The option A represents the complete opposite of "high-gc gram-positive bacteria". High GC content means that this bacteria have more guanine ans more cytosine than the other base pairs- adenine–thymine. This means all the other options are correct.
Answer:
The tuba
Explanation:
The tuba produces sound by vibrating or buzzing the lips into a large cupped mouth piece. It produces different pitches by changing the mouthpiece.
I am thinking D. But I am not sure that it is the answer.
Domain is the highest ranking of organisms in taxonomy.
The correct option is b.
<h3>What do you mean by domain?</h3>
Domain is the highest ranking of the biological system.
In the system there are three domains
This is the highest classification, after this further classification of living organism is done.
Thus, the correct option is B
Learn more about domain
brainly.com/question/1634690