Answer:
D
Explanation:
Nitrogenous bases present in the DNA can be grouped into two categories: purines (Adenine (A) and Guanine (G)), and pyrimidine (Cytosine (C) and Thymine (T)). These nitrogenous bases are attached to C1' of deoxyribose through a glycosidic bond.
<span>When magnesium ribbon is burned,
this produces a white powdery film of magnesium oxide that help visualize a
tool mark, which is usually a dark colored tool. They are used to highlight
details during photography especially in forensic investigation. In addition,
magnesium oxide may be smoked on the surface of an opaque material to form an
integrating sphere and its reference white color is essential in colorimetry,
due to its good diffusing and reflectivity properties.</span>
Hi!
Coral and zooxanthellae have a mutualistic relationship, where they both benefit. These organisms work together in order to benefit each other and their own survival.
The coral provides a safe protective place for the zooxanthellae, so they can perform photosynthesis. =)
