Which is the 3-prime carbon?

Why do telomeres shorten each time DNA is replicated?

Below is a picture of a nucleotide with letters indicating the various parts. Use this picture for the next few questions. Which letter is labeling the deoxyribose sugar?

Before scientists understood how traits were inherited, they developed many theories which weren’t quite right. The incorrect idea that if a giraffe stretched its neck to reach leaves high up in a tree, it would develop a longer neck and have offspring with longer necks was called 

If protein X binds to DNA at the consensus sequence ATGGAAGG,

If protein X binds to DNA at the consensus sequence ATGGAAGG,

Why do telomeres shorten each time DNA is replicated?

Which is the nitrogenous base?

Is the United States economy purely a market economy?  Explain in detail, citing specific aspects of the economy, why you agree or disagree.

If the gene that encodes the sigma factor was deleted in an E. coli cell, what would be the most direct consequence?