Cytokines can be grouped into a family on the basis of sequence, functional and structural similarities.

These two proteins also share many functional similarities.

Is there some functional similarity with mate choice in quail?

Furthermore, the functional similarity was not necessarily evidence of copying.

The functional similarity of the enzymes remains the strongest argument for divergent evolution.

These fingers are present in a diverse group of proteins that frequently do not share sequence or functional similarity with each other.

The hammer of a firearm was given its name for both resemblance and functional similarity to the common tool.

Clearly we shouldn't expect too many functional similarities between the visual cortices of rats, cats, and monkeys.

Perforin has structural and functional similarities to complement component 9 (C9).

According to structural and functional similarity, many local hormones fall into either the gastrin or the secretin family.