The nitrogenous bases Adenine form two hydrogen bonds with thymine and the cytosine form three hydrogen bonds with the guanine. Simply, A combines with T and G combines with the C. It is often called as a complementary base pairing because of each base pair bonds only with its specific complementary base partner in a DNA molecule.
Halophilic bacteria possess a pigment related to the plant's chlorophyll.
<h3>Halophilic bacteria</h3>
They are bacteria that live in high salt environments. They have a certain feature that enables them to pump out salts in order to maintain normal osmotic conditions in their bodies.
Halophilic bacteria are equipped with bacteriorhodopsin and halorhodopsin. These enable them to photosynthesize like plants. and generate the much-needed ATP for pumping out salts.
More on halophilic bacteria can be found here: brainly.com/question/12500605
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The answer is B: P
in which the P stands for Parent generation
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