<span>Hello!
Red algae are so named because of the pigment that so classifies them, the name of this pigment is Phycoerythrin. </span>
DNA uses deoxyribose, while RNA uses ribose. DNA is double-stranded, RNA is single-stranded. DNA is helical (spiraled), while RNA generally isn’t. DNA’s bases include thymine but not uracil, while RNA’s bases include uracil, but not thymine.
The Cretaceous–Paleogene (K–Pg) extinction event (also known as the Cretaceous–Tertiary (K–T) extinction) was a sudden mass extinction of three-quarters of the plant and animal species on Earth, approximately 66 million years ago.
The first step in the cleaning process of the dental operatory after a patient has been treated begins with the dental assistant (B) removing contaminated dental items to the sterilization area.
