4. What do you call the circular patterns in which the world’s oceans travel?

In each ocean basin there is a roughly circular current flow called a gyre. The world's oceans travel in well-defined circular patterns called currents which flow like rivers.

Explanation:

the answer is underlined and in bold

the concept of nucleosome occupancy, which reflects the fraction of cells from the population in which a given region of dna is occupied by a histone octamer

step 1: replication fork formation.

step 2: primer binding.

step 3: elongation.

step 4: termination.

explanation:

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