The credit for discovery of the structure of dna was given to and . the shape of the dna molecule is described as a . after replication, identical molecule of are produced. a gene is a sequence of in a dna molecule

Secondary pollutants are more harmful than primary pollutants. select the best answer from the choices provided ot of

Ricardo notices that when he plays soccer in the rain, his ball does not seem to go as far after a kick. what is the best scientific question that ricardo could ask about this observation? is soccer better played in the rain or sun? how does rain affect the distance a soccer ball can travel? how does rain affect the speed of a soccer ball? is soccer affected by the rain?

What molecules will be best used to compare different species with the exact same sequence of amino acids? why would two species have the same protein even if the molecules in question is different? (hint: transcription to translation to protein).