What kind of bond connects the two strands of DNA to each other?

What types of cells is telomerase typically expressed in? (choose all that apply)

Which of the below is found in bacterial chromosomes, but not eukaryotic chromosomes? 

What kind of bond connects the two strands of DNA to each other?

Avery, MacLeod and McCarty found that if the heat-killed virulent (deadly) bacteria was treated with DNase prior to adding the non-virulent bacteria, that the non-virulent bacteria did not become virulent. This experiment showed that

Below are some of the enzymes involved in DNA replication in bacteria. Match each enzyme to its description.

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