The DNA of an E. coli chromosome measures 1.6 mm in length, when extended, and 20.0 Angstroms
(10,000 Angstroms = 1 micrometer) in diameter.
. A human cell has some 700. times the volume of
DNA of an E. coli cell and is typically spherical with
a diameter of 0.020 mm. What fraction of such a
human cell is occupied by its DNA?

(drag each tile to the correct identify which questions can be answered by what can be answered by science or which cannot. -is it right or wrong to use genetic engineering to produce new food products? -what are the most common social settings that tend to produce accomplished artists? -if a new gene is added to the genome of a tomato species, will that species be more resistant to insects? -should humans use biotechnology to bring extinct organisms from the fossil record back to life? -do the types of organisms found in the fossil record appear in consistent sequences in different parts of the world? -are michelangelo's paintings more impressive than rembrandt's?

What was the land like over 500 million years ago? what was under the sea?

How does this experiment explain why it is often milder in areas such as coastal maryland while areas such as kansas or iowa have more extremes in temperature