……. DNA is a small stretch of DNA repeated many times, which forms small peaks after undergoing density gradient centrifugation.(A) Repetitive(B) Satellite(C) Bulk(D) Both (B) and (C)
The unequivocal proof that DNA is genetic material came from the experiments of(A) Friedrich Meischer(B) Alfred Hershey and Martha Chase(C) Frederick Griffith(D) Oswald Avery. Colin Macleod and Maclyn McCarty