Which of the following statements about the dna in one of your brain cells is true?
a. most of the dna codes for protein.
b. the majority of genes are likely to be transcribed.
c. it is the same as the dna in one of your liver cells.
d. each gene lies immediately adjacent to an enhancer.

How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?

Based on the observation that only male crickets produce a song, you hypothesize that a male's song is a form of communication to potential mates. you set up a simple experiment to test this hypothesis. in the laboratory, you place a male snowy tree cricket in enclosure a, which is adjacent to enclosureb. in enclosure b, you place other insects, one at a time, and observe their responses to the male's song. the enclosures are designed so that the two insects being tested cannot see or smell each other, but sound is transmitted from enclosure a to enclosureb.

What are levels of ecology and how can we remember them