Influenza virus can exhibit constant mutation of viral glycoproteins, called antigenic , or alternatively antigenic , which is a more serious phenomenon caused by the exchange of a viral gene with that of another influenza virus strain.

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that

Suppose you have monohybrid pea plants in your garden and find that they produce round seed to wrinkled seeds in the ratio of 3: 1. if the allele are designated (r & r) receptively. what is the probable genotypes of the round seeds which produced f 1 ? rr & rr rr only rr & rr rr only rr only

How is transcription similar to translation in terms of base pairing?