WGU C190 - Introduction To Biology - Unit 1: Modules 1,2 & 3 Questions And Answers 2025/2026
WGU C190 - Introduction To Biology - Unit 1: Modules 1,2 & 3 Questions And Answers 2025/2026 Matter - answer-Any substance that has mass and takes up space 2 classes of matter - answer-biotic (living/have lived) abiotic (nonliving/never alive) The basic unit of matter - answer-the atom The atom is made up of: - answer-a dense nucleus surrounded by electrons Atoms join together and form: - answer-molecules Molecules consist of: - answer-at least two atoms held together by a chemical bond Macromolecules are: - answer-biologically important molecules AKA polymers Polymers are made by: - answer-combining smaller units called monomers (simpler macromolecules) Macromolecule example: - answer-DNA (built of 4 kinds of monomers (nucleotides) strung together (polymerized) in a sequence that codes for structure of proteins and other bio molecules.) Building blocks of a cell: - answer-when macromolecules form a membrane-bound sphere Two main types of cells: - answer-prokaryotes and eukaryotesProkaryote characteristics: - answer-small and simple, they do not have any clearly defined compartments inside of them Eukaryote characteristics: - answer-include membrane-bound organelles (can be complex) Organelle characteristics: - answer-compartments inside the cell that contain specific groups of macromolecules and carry out specific cellular functions (i.e. the nucleus which encloses DNA within the cell) Microorganisms: - answer-single-celled life forms Tissues are formed when: - answer-similar cells work together to fulfill the same detailed function Organs are formed when: - answer-collections of tissues work together to carry out a common general function Organ systems are formed when: - answer-functionally related organs work together in a higher level of organization (i.e. the circulatory system) Organisms are: - answer-individual living entities that survive and reproduce as a unit (i.e. a tree in a forest) A population consists of: - answer-all the individuals of a species living within a specific area (i.e. a forest with many pine trees)
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wgu c190 introduction to biology unit 1 modul
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