Which is a false statement about the structure of a dna molecule? a. it is single stranded. b. it has a double helix. c. it has a spiral shape. d. it is like a twisted ladder.

Do you think the gene eef1 alpha1 supports cell theory? explain your response.

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

Describe the two types of vascular tissue