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Biology Finals 7 Fill In The Blanks

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In each blank, try to type in the word that is missing. If you've typed in the correct word, the blank will turn green.

If your not sure what answer should be entered, press the space bar and the next missing letter will be displayed.

When you are all done, you should look back over all your answers and review the ones in red. These ones in red are the ones which you needed help on.
Term: Recombinant Definition: DNA in one or more segments or genes have been inserted, either naturally or by laboratory manipulation, from a different molecule or from another part of the same molecule, resulting in a new genetic combination.
Term: PlasmidDefinition: a segment of DNA independent of the chromosomes and capable of , occurring in bacteria and yeast: used in recombinant DNA procedures to transfer genetic material from one cell to another.
Term: Restriction Definition: any of a group of enzymes that catalyze the cleavage of DNA molecules at specific sites: used for gene splicing in recombinant DNA and for chromosome mapping.
Term: EndsDefinition: single-stranded end of DNA or RNA having a nucleotide base complementary to that of another strand, enabling the two strands to be connected by base pairing
Term: gene Definition: recombinant DNA .
Term: Definition: Genetics. acid: an extremely long macromolecule
Term: transcriptionDefinition: to make an exact copy
Term: Definition: change or to another form, appearance, etc.; transformation
Term: Definition: a triplet of adjacent nucleotides in the messenger RNA chain that codes for a specific amino acid in the synthesis of a molecule.
Term: anticodonDefinition: a sequence of three nucleotides in a region of transfer RNA that recognizes a complementary coding triplet of nucleotides in messenger RNA during translation by the ribosomes in biosynthesis.
Term: RNADefinition: ribonucleic acid any of a class of single-stranded molecules transcribed from DNA in the cell nucleus or in the mitochondrion or chloroplast, containing along the strand a linear sequence of nucleotide bases that is complementary to the DNA
Term: mRNADefinition: RNA.
Term: Definition: One of a class of RNA molecules that transports amino acids to ribosomes for incorporation into a undergoing synthesis. Also called transfer RNA .
Term: nucleotideDefinition: any of a group of molecules that, when linked together, form the blocks of DNA or RNA: composed of a phosphate group, the bases adenine, cytosine, guanine, and thymine, and a pentose sugar, in RNA the thymine base being replaced by uracil.
Term: Gregor Definition: Through the selective cross-breeding of common pea plants (Pisum sativum) over many generations, Mendel discovered that certain traits show up in offspring without any blending of characteristics.
Term: Definition: the genetic makeup of an or group of organisms with reference to a single trait, set of traits, or an entire complex of traits.
Term: phenotypeDefinition: the appearance of an resulting from the interaction of the genotype and the environment.
Term: homozygousDefinition: identical pairs of genes for any given pair of hereditary characteristics.
Term: Definition: dissimilar pairs of genes for any hereditary characteristic.
Term: dominantDefinition: the one of a pair of alternative alleles that masks the effect of the when both are present in the same cell or organism.
Term: recessiveDefinition: that one of a pair of alternative alleles whose effect is masked by the activity of the when both are present in the same cell or organism.
Term: monohybridDefinition: the offspring of individuals that differ with respect to a gene pair.
Term: Definition: the offspring of parents differing in two pairs of genes.
Term: sex Definition: (of a gene) located in a sex .
Term: sex Definition: traits controlled by ; sex influenced trait is baldness
Term: mutationDefinition: a departure from the parent type in one or more heritable characteristics, caused by a change in a gene or a chromosome.
Term: Definition: composed of related individuals that resemble one , are able to breed among themselves, but are not able to breed with members of another spe
Term: populationDefinition: the assemblage of a type of organism living in a given area.
Term: Definition: a of a species, especially a geographical or ecological subdivision.
Term: gene Definition: the genetic information in the gametes of all the individuals in a population.
Term: density Definition: Density dependence occurs when the population growth rate, or constituent gain rates (e.g. birth and immigration) or loss rates (death and ), vary causally with population size or density
Term: capacityDefinition: the maximum, equilibrium number of of a particular species that can be supported indefinitely in a given environment. Abbreviation: K
Term: producerDefinition: Animals are consumers. This is because they cannot make their own food, so they need to consume (eat) plants and/or animals.
Term: Definition: an organism, usually an animal, that feeds on plants or animals.
Term: autotrophDefinition: any organism capable of self-nourishment by using inorganic materials as a of nutrients and using photosynthesis or chemosynthesis as a source of energy, as most plants and certain bacteria and protists.
Term: Definition: an organism organic compounds for its principal source of food
Term: primary Definition: (in the food ) an animal that feeds on plants; a herbivore.
Term: food Definition: a series of organisms by predator-prey and consumer-resource interactions; the entirety of interrelated food chains in an ecological community.
Term: food Definition: a series of organisms interrelated in their feeding habits, the smallest being fed upon by a one, which in turn feeds a still larger one, etc.
Term: Definition: to reduce (nitrates) to , ammonia, and free nitrogen, as in soil by microorganisms.
Term: nitrificationDefinition: to with nitrogen or nitrogen compounds.
Term: bacteriaDefinition: Any of various soil that change ammonia or ammonium into nitrite or change nitrite into nitrate as part of the nitrogen cycle
Term: Definition: the passage of water through a plant from the roots through the system to the atmosphere.
Term: evaporationDefinition: to change from a liquid or solid state into vapor; pass off in .
Term: Definition: to become liquid or , as a gas or vapor
Term: selectionDefinition: forms of life having traits that enable them to adapt to specific environmental pressures, as predators, changes in climate, or competition for food or , will tend to survive and reproduce in greater numbers than others of their kind.
Term: evolutionDefinition: change in the gene pool of a population from generation to generation by such processes as mutation, natural selection, and genetic .
Term: Definition: eating both animal and plant .
Term: Definition: an animal that eats .
Term: Definition: on plants.
Term: BacteriaDefinition: Soil microorganisms whose action results in the conversion of nitrates in soil to free atmospheric nitrogen, thus soil fertility and reducing agricultural productivity.
Term: nomenclatureDefinition: a formal system used in to name organisms.
Term: structuresDefinition: derived from a common ancestor or same evolutionary or developmental origin
Term: vestigial Definition: Vestigial structures provide a clue to the evolutionary history of a species because they are remnants of structures found in the species.
Term: Definition: the amount of living matter in a given , expressed either as the weight of organisms per unit area or as the volume of organisms per unit volume of habitat.
Term: decomposerDefinition: an organism, usually a bacterium or fungus, that breaks down the cells of dead plants and animals into substances.
Term: oligiotrophicDefinition: (of a lake) characterized by a low accumulation of dissolved nutrient salts, supporting but a sparse growth of algae and other organisms, and having a high oxygen content to the low organic content.
Term: Definition: (of a lake) characterized by an abundant accumulation of nutrients that a dense growth of algae and other organisms, the decay of which depletes the shallow waters of oxygen in summer.
Term: use and Definition: life started out simple and became more complex & Lamarck believed that disuse would cause a trait to become &He believed that traits changed or acquired over an individual's lifetime could be passed down to its offspring.
Term: LamarckDefinition: Lamarck: The theory of
Term: LinnaeusDefinition: Carl Linnaeus is often called the Father of Taxonomy. His system for naming, ranking, and organisms is still in wide use today (with many changes).
Term: Definition: proposed a theory of evolution occurring by the process of natural selection. The animals (or plants) best suited to their are more likely to survive and reproduce, passing on the characteristics which helped them survive to their offspring.
Term: independentDefinition: A factor that influences individuals in a population in a manner that does not vary with the of crowding present in the population.
 
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