Select the correct answer. Dorothy works as a medicinal chemist in a pharmaceutical company. What could one of her assignments be?
ОА.
to test new X-ray equipment
OB
to develop new surgical techniques
Ос,
to design new software that helps in the research of new molecules
OD
to research molecules in spider venom for new pain medicatIon

How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.

Explain why biological control methods are generally environmentally superior to chemical pest control methods.

Which coal field location is related to coal fields in the eastern united states and supports the theory of continental drift? eastern india southern africa western australia northern south america