RNA polymerase II binds to the strand of DNA and uses it to guide transcription. In contrast, the strand not used to guide transcription is called the .

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water

1. in what ways have non-native species been beneficial? 2. what are some of the hypotheses for the collapse of honeybee colonies? 3. distinguish between regional and functional extinction. 4. why is it difficult to measure background extinction rates? 5. what three factors are most important in causing extinction rates to climb?

Why is hemophilia more common in males than in females? a.hemophilia is more common in females b.affected males only need to inherit one copy of the allele c.hemophilia affects only males