1.Under what conditions did Hershey and Chase find radioactivity inside bacterial cells? (A)only when the phage protein contained radioactive phosphorus

(B)only when the phage RNA contained radioactive phosphorus

(C)only when the phage DNA contained radioactive phosphorus

(D)when both the phage protein and DNA were labeled

common management practices in dairy and poultry farming are: (i) proper shelter facilities and their regular cleaning. (ii) some basic hygienic conditions such as clean water, nutritious food, etc. (iii) animals are kept in spacious, airy, and ventilated place.

regents of the university of california v. bakke, 438 u.s. 265 (1978), was a landmark decision by the supreme court of the united states. it upheld affirmative action, allowing race to be one of several factors in college admission policy.

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?

this is more of a statement than a question. is there answers to go along with this, or is it opinion based?