Astudent wants to compare three population of buffalo. population a has 25 buffalo in 1 km2. population b has 10 buffalo in 0.5 km2. population c has 50 buffalo in 5 km2. which population of buffalo has the lowest population density?

option number one would be youre best option

during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.