B. they both contribute to genetic diversity within a population
Answer:
Explanation:
The DNA is elongated in the 5'-to-3' end direction, meaning that the DNA polymerase adds a new nucleotide to the free 3' end OH- group. The DNA polymerase will catalyze formation of the bond between the 3' OH- group at the end with the 5' phosphate group of the new nucleotide forming the phosphodiester bond.
I don't think so much for all your friends and family
The air that we breathe is mostly made up of nitrogen (78%). 21% is oxygen which is needed for animals and humans in respiration and 0.03% is carbon dioxide which is needed for plants to make energy in a process called photosynthesis. The bit that is left is made up of rare gases like helium and argon and methane.
Answer:
Examples of biotic factors are animals, birds, plants, fungi, and other similar organisms. Introduction In ecology and biology, abiotic components are non-living chemical and physical factors in the environment which affect ecosystems