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What Is Life?
Is alive if it can grow and reproduce.
Living things consist of?
cells—some consist of a single cell, whereas others are made from assemblies of many million cells.
Describe basic ingredients needed to sustain life
macromolecules, energy, metabolism, identity, adaptation, reproduction
The idea that living cells are the structural units of life was first proposed by
Schleiden and Schwann in the 1830s.
What are the cells
Microscopic structures that vary considerably in shape.
What is the term used to describe the development of specialized cells?
differentiation
Cell has a complete genome and can grow and reproduce
Bacteria or protozoa
To classify organisms, they are first assigned to
One of the three domains of life, which are eubacteria, archaea, and eukaryotes
Is a subcellular machine that consists of several molecules of RNA and around 50 proteins. It uses information that is carried from the genome by special RNA molecules,
Ribosome
