Biology Unit 2
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Last updated 3:22 PM on 3/1/23
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41 Terms
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The cell theory states that
All living things are made up of cells,
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cells are the basic units of structure and function in living things,
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new cells are produced from existing cells
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cells are the basic units of structure and function in living things,
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new cells are produced from existing cells
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8 Characteristic of life
Responds to environment
Obtain and use energy
Grows + Develops
Maintain Homeostasis
Produce offspring
Complex Chemistry
Made of cells
Evolve
Obtain and use energy
Grows + Develops
Maintain Homeostasis
Produce offspring
Complex Chemistry
Made of cells
Evolve
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Prokaryotes
Cells that do not contain nuclei
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Eukaryotic
Has a nucleus
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Pathogens:
disease causing agents
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Types of pathogens
viruses, bacteria, Protozoa, fungi
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Bacteria reproduction
asexual binary fission
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Protozoa reproduction
MOSTY asexual( Binary Fission) and SOME sexual
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Fungi reproduction
Spores
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Budding and fruiting bodies( ASEXUAL)
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Viruses reproduction
DO NOT REPRODUCE ON THEIR OWN must have host cell
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Bacteria Genetic Code
Prokaryotes
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Protozoa Genetic Code
Eukaryotes
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Fungi Genetic Code
Eukaryotes
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Viruses Genetic Code
has genetic code
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How does Bacteria grow and develop
Cell enlargement
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How does protozoa grow and develop
Cell enlargement
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How does fungi grow and develop
Both cell enlargement and cell division
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How does viruses grow and develop
NO IT CAN NOT
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How does bacteria Obtain and use energy
Both Heterotroph and Autotroph
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How does protozoa Obtain and use energy
Heterotroph
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How does fungi obtain and use energy
External digestion
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How does viruses obtain and use energy
NO MUST HAVE HOST CELL
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How does bacteria Respond to environment
endospores (A function that protects the bacteria from hard)
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How does protozoa Respond to environment
has movement
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How does fungi Respond to environment
decomposers
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How does viruses Respond to environment
YES can hide and destroy cells
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Does bacteria Evolve
Yes can become resistant to antibodies
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Does protozoa Evolve
Yes
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Does fungi Evolve
Yes
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Does viruses Evolve
YES CAN MUTATE
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Is bacteria Made of Cells
YES IS UNICELLULAR
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Is protozoa Made of Cells
YES IS UNICELLULAR
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Is fungi Made of Cells
YES IS UNICELLULAR AND MULTICELLULAR
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Is viruses Made of Cells
NO
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Can Bacteria Maintain Homeostasis
YES it can Produces proteins
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Can protozoa Maintain Homeostasis
Symbiosis mutualism
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Can fungi Maintain Homeostasis
Symbiosis decomposer
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Can viruses Maintain Homeostasis
NOOOOO
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Homeostasis
process by which organisms maintain a relatively stable internal environment
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__**Components of a virus**__
\-nucleic acid,
\-RNA or DNA - never both.
\-RNA or DNA - never both.
