Which of the following stabilize the double helix of DNA? A. lonic bonds
B. Phosphodiester bonds
C. Hydrogen bonds
D. Hydrophobic interaction
E. Both B and C
- How does DNA and RNA differ?
A. Type of sugar they contain
B. How many strands they contain
C. By the bases they contain
D. By their function
E. All of theses

What enzyme is most important for dna replication and why?

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content

The embryos of a bird, a reptile, and a mammal are similar in appearance. how does comparing the physical appearance of embryos of different species support the theory of evolution? a. it shows that these organisms share a common ancestor. b. it provides evidence that these organisms eat the same foods.c. it shows that these organisms share the same habitat.d. it provides evidence that these organisms suffered a genetic mutation.