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53 Cards in this Set
- Front
- Back
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Matter |
Anything that occupies space |
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Molecule |
A group of atoms bonded together |
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Element |
A molecule consisting of only one type of element |
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Compound |
A molecule consisting of multiple types of atoms |
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Monomer |
Building block of more complex components; individual subunit |
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Polymer |
Large molecule consisting of many smaller molecules |
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Evolution |
Gradual development of something |
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Cell theory |
Cells form the fundamental structure and functional unit of life. |
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Taxonomy |
Branch of science concerned with classification and systematics |
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Binomial system |
Formal naming system that all scientists use. |
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Species |
The principal natural taxonomic unit |
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Dichotomous key |
Method used for categorizing species using logical choices. |
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Couplet |
Choice consisting of only 2 options |
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Nucleiod |
Having no nucleus |
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Axial filaments |
Central filament that provides motion |
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Fimbriae |
Attachment filaments |
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Pilus |
(Pili plural) hollow filaments for genetic exchange |
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Inclusion bodies |
Nutrient stores within the cytoplasm |
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Endospores |
Highly resistant and dormant structures containing the genetic material of an organism |
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Binary fission |
Asexual reproduction in unicellular organisms by division into two identical daughter cells. |
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Introns |
Non coding segments of DNA(as oppose to exons, which do express genes) |
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Flagella |
Long. Thin, appendage that provides motion through whip-like motions. |
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Cilia |
Short, hair-like extensions that undulate in a wave-like fashion to move particles over their surface |
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Nucleus |
Contains genetic info |
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Endosymbiosis |
Theory |
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Hyphae |
Individual filament of mycelium |
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Mycelium |
Networks of filaments involved in nutrient acquisition (fungal equivalent of a root system. |
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Dimorphic |
Having two forms. |
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Host |
An organism that harbors another, providing nourishment or shelter. |
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Intermediate host |
Temporary host for parasite development or transmission |
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Definitive host |
The organism in which the parasite reaches sexual maturity |
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Monoecious |
Hermaphrodite |
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Dioecious |
Separate male and female forms. |
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Monophyletic |
Describes a group of organisms that are descended from a single ancestral form |
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Paraphyletic |
Group composed of some, but not all members from a single ancestral form |
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Polyphyletic |
Unrelated groups from several ancestral lines |
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Pseudopods |
(False foot ) temporary extensions that extend and contract providing movement. |
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Monomer: sugar |
Polymer: carbohydrates |
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Monomer: Fatty acids & glycerol |
Polymer: Lipids |
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Monomer: amino acid |
Polymer: protein |
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Monomer: nucleotides(A, C, G, T) |
Polymer: Nucleic acid |
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Criteria of living organsims(6) |
Consist of one or more cells Exhibit response to stimuli Cells regulate self Obtain&use energy Growth&development Reproduce |
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Sugars->carbohydrates= |
Primary source of energy |
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Fatty acids+glycerol->lipids |
Primary components of cell membranes |
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Amino acids->protein |
Form enzymes |
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Nucleotides->nucleic Acid= |
Carry genetic info |
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Taxonomic levels: |
Domain King phyllum Class Order Family Genius Species |
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All cells contain: |
Plasma membrane Cytosol Chromosomes Ribosomes |
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4 diff subgroups of plants |
Aquatic Land Vascular Seeded |
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Evidence supporting Endosymbiosis |
Mitochondria/chloroplasts have dna Reproduce by splitting Ribosomes are similar in size to bacteria Autonomous(self-reliant) Surrounded by complex membranes similar to other eubacteria |
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Plants are.. |
Multicellular Contain cellulose Contain chlorophyll for photosynthesis |
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3 different sub groups of Fungi |
Mushroom, yeast, and molds |
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Two types of Helminths |
Flat worm Round worm |
