precise laboratory
As a result of the development of increasingly powerful and ________ instruments and techniques, it is possible to understand and define with high precision and accuracy not only the ultimate physiochemical organization (ultrastructure) of the molecules in living matter but also the way living matter reproduces at the molecular level.
Biology
________ is often approached on the basis of levels that deal with fundamental units of life.
biology deals
Population ________ with groups or populations of organisms that inhabit a given area or region.
Cells
________ were first observed in the 17th century, when the compound microscope was invented.
Cell biology
________ is the study of cells- the fundamental units of structure and function in living organisms.
Biology
________ is subdivided into separate branches for convenience of study, though all the subdivisions are interrelated by basic principles.