What holds the base pairs of dna together

Suppose that life exists elsewhere in the universe. All life must contain some type of genetic information, but alien genomes might not consist of nucleic acids or have the same features as those found in the genomes of life on Earth.

List at least one reason for not touching the magnesium metal with bare hands. 3. list two reasons for using crucible tongs to handle the crucible and lid after their initial firing in the experimental procedure.

The function of the pollen tube is to select one: a. digest the sporophyte tissue as it elongates toward the female gametophyte. b. produce pollen. c. attract animals to the plant to spread the pollen. d. direct pollen to the megasporangium. e.

This process is necessary for sexual reproduction. Mitosis Meiosis Fission Budding

Who holds the public property rights? A. individuals B. government C. businesses D. local communities

Broccoli, cauliflower, kale, Brussels sprouts, and cabbage are all just different breeds of a single type of weed commonly found along the shores of the English Channel. The differences between them were all gradually selected for by various farmers.

Which type of transport requires energy to move a molecule?

What was the neolithic revolution and how did it change life

In two or more complete sentences, compare relative dating and absolute dating of earths materials.

Above 38oC and below 0oC the rate of photosynthesis decreases. Propose a hypothesis to explain why this occurs.