IN DNA, bases pair by forming across complementary strands. A. hydrogen bonds
B. covalent bonds
C. ionic bonds

Me . based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?

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.

Aheterozygous normal male marries a woman with a sickle cell anemia. give the genotypes and possible phenotypes of the offspring