4. Different restriction enzymes cut the same DNA molecule into different
numbers of fragments, because different restriction enzymes have
a. different base pairs
b. different sticky ends
c. different restriction sites
d. different nucleotide sequences

Chicken pox and hepatitis are bacterial diseases. true or false?

Select the correct answer from each drop-down menu. during the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

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