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Semester Test

Vocabulary

QuestionAnswer
classification grouping of organisms or objects based on a set of criteria that helps organize, communicate, and retain information.
taxonomy branch of biology that identifies, names, and classifies species based on their natural relationships.
phylogeny evolutionary history of a species.
binary fission asexual form of reproduction used by some prokaryotes in which a cell divides into two genetically identical cells.
conjugation form of reproduction used by some prokaryotes in which the prokaryotic cells attach to each other and exchange genetic material.
lytic cycle viral replication process in which genetic material of the virus enters the host cell's cytoplasm, the cell replicates the viral DNA or RNA, and the host cell is instructed to manufacture capsids and assemble new viral particles which then leave the cell.
lysogenic cycle viral replication process in which viral DNA inserts into the host cell's chromosome, may remain dormant and later activate and instruct the host cell to produce more viruses.
retrovirus RNA virus, such as HIV, with reverse transcriptase in its core.
protozoan heterotrophic, unicellular, animal-like protist
alternation of generation reproductive life cycle that alternates between a diploid sporophyte generation and a haploid gametophyte generation
chitin tough, flexible polysaccharide in the exoskeletons of insects and crustaceans and in fungal cell walls.
hypha threadlike filament that makees up the basic structural unit of a multicellular fungus.
mycelium complex, netlike mass made up of branching hyphae.
spore reproductive haploid cell with a hard outer shell that forms a new organism without the fusion of gametes and is produced in the asexual and sexual life cycles of most fungi and some other organisms.
vascular tissue specialized tissue that transports water, food, and other substances in vascular plants and can also provide structure and support.
cotyledons seed structure that stores food or helps absorb food for the sporophyte of vascular seed plants.
stomata openings in the outer cell layer of leaf surfaces and some stems that allow the exchange of water, carbon dioxide, oxygen, and other gases between a plant and its environment.
tropisms response to an external stimulus in a specific direction.
guard cell one of a pair of cells that function in the opening and closing of a plant's stomata by changes in their shape.
transpiration process in which mRNA in synthesized from the template DNA
Created by: savannahperkins
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