How frequently should one apply sunscreen while swimming on a sunny day? once since water absorbs uv rays more often since water reflects uv rays once since water reflects sun's radiation more often since water absorbs sun's radiation this is science

Why is it important for health care professional to stay informed about new development?

Dr. leung has been studying consistent trends in how males and females have selected their mates throughout the long history of humankind. dr. dauphine is most likely a(n) psychologist.

Poliovirus is an rna virus of the picornavirus group, which uses its rna as mrna. at its 5' end, the rna genome has a viral protein (vpg) instead of a cap. this is followed by anontranslated leader sequence, and then a single long protein-coding region (~7000 nucleotides), followed by a poly-a tail. observations were made that used radioactive amino acid analogues. short period use of the radioactive amino acids result in labeling of only very long proteins, while longer periods of labeling result in several different short polypeptides. what conclusion is most consistent with the results of the radioactive labeling experiment? a) host cell ribosomes only translate the viral code into short polypeptides.b) the rna is only translated into a single long polypeptide, which is then cleaved into shorter ones.c) the rna is translated into short polypeptides, which are subsequently assembled into large ones.d) the large radioactive polypeptides are coded by the host, whereas the short ones are coded for by the virus.