What step in DNA replication precedes the pairing of complementary bases?

a. polymerization of DNA.

b. separation of the two strands.

c. formation of the histone core.

d. joining of the two strands.

e. mitotic division.

What kingdom does the arctic fox belong to

Certain soils in the Midwest have very even concentrations of minerals and nutrients that are required for the growth of a small shrub. How would you expect individuals in a population of this shrub to be distributed in the area?

What is an indication that water is entering cells

When researchers conduct experiments on humans, what three important issues do they have to take into consideration?

The diversity of species in a community refers to the

True or false? a woman's behavior can often determine both whether or not she gets a chronic disease, as well as the chronic disease's course of infection.

What role do insulator sequences play in the regulation of eukaryotic transcription?

A tube worm is a creature that lives within the dark, hot, and mineral-rich conditions of a hydrothermal vent. Deep-sea bacteria use chemosynthesis to convert energy into a chemical form.

What type of mutation always creates a stop codon?

Describe what is happening to the chromosomes during each sub-phase of Meiosis I and Meiosis II.