If you analyzed DNA and found that it had 35 percent
Adenine, how much Cytosine would it have

Where can dna be found in a prokaryotic cell

Explain how the parts of the peripheral nervous system work with the central nervous system to produce a response to the stimulus

Which of the following must be true for a fossil organism to be useful as an index fossil? a. the fossil organism must be widespread geographically. b. the fossil organism must be abundant. c. the fossil organism must be limited to a short span of geologic time. d. all of the above.