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Biology Unit 1

Biology Unit 1 Cellular Structure Vocabulary

DefinitionTerm
a type of biomolecule that performs many functions in the cell, including providing energy and structural support carbohydrate
a cell organelle composed of RNA; responsible for synthesizing proteins ribosome
a small structure inside a cell that is surrounded by a membrane and performs a specific function membrane bound organelle
the theory that life on Earth arose from nonliving things through natural processes abiogenesis
a type of biomolecule that performs many functions throughout an organism, including providing structure and facilitating chemical reactions protein
the theory of how organelles (mitochondrion, chloroplast) arose in organisms endosymbiotic theory
a biomolecule that provides energy storage, insulation, protection; a main component of the cell membrane lipid
the idea that living things can only arise from other living things biogenesis
a living organism whose cell or cells contain nuclei and membrane-bound organelles eukaryote
a type of biomolecule that includes DNA and RNA, which store and transmit genetic information nucleic acid
a large molecule synthesized by cells that form the structures of cells and perform the functions of life biomolecule
a unicellular, living organism that lacks a nucleus and membrane-bound organelles prokaryote
a nonliving, infectious agent that cannot reproduce without a host, obtain or use energy, or respond to the environment virus
a theory of how organelles arose in eukaryotic cells; proposes that certain organelles, specifically mitochondria and chloroplasts, were free living prokaryotes that were engulfed by a host cell, leading to a mutually beneficial relationship Autogenous theory
composed of only one cell unicellular
serves as the cell's control center and houses the cell's genetic material (DNA) nucleus
Created by: MrsNash
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