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Biology Cards (Freshman Year)
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76
Biology
9th Grade
01/21/2012

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Term
One version of a gene
Definition
Allele
Term
An interaction between two versions of a gene in which the products of both versions are seen in the phenotype
Definition
Codominant allele
Term
A version of a gene that masks the effects of another version of the gene
Definition
Dominant allele
Term
An inheritance pattern in which the effects of one gene pair mask the effects of other gene pairs
Definition
Epitasis
Term
A pattern of inheritance in which the expression of a gene depends on whether it is inherited from the mother of the father
Definition
Genomic imprinting
Term
A gene pair consisting of two different alleles
Definition
Heterozygote
Term
Two versions of a chromosome within a diploid cell
Definition
Homologous pair
Term
An interaction between two version of a gene that produces a phenotype intermediate between the two phenotypes produced by genotypes with two copies of each version
Definition
Incomplete dominance
Term
A form of inheritance I which a single gene pair governs the development of a single trait
Definition
Mendelian inheritance
Term
– A diagram of the phenotypes of family members, over several generations, with regard to a particular trait.
Definition
Pedigree
Term
A pattern of inheritance in which a single gene pair controls more than one trait
Definition
Pleiotropy
Term
A form of inheritance in which a trait is determined by more than one gene pair
Definition
Polygenetic inheritance
Term
A version of a gene that has its effects masked by another version of the gene
Definition
Recessive allele
Term
A characteristic determined by a gene within the X chromosome
Definition
X linked trait
Term
2 substances released by the plant during photosynthesis
Definition
Oxygen & Water
Term
3 Things photosynthesis builds sugars with
Definition
Water, CO2, & Sunlight
Term
3 Organisms capable of photosynthesis
Definition
Plants, Algees, & certain kinds of Bacteria
Term
6 Kingdoms
Definition
Animalia
Plantae
Fungi
Protista
Archea
Eubacteria
Term
When was the scientific process developed?
Definition
During the 16th Century
Term
Scholars realized that the method of __________ _______ could be used to reveal cause-and-effect relations in natural phenomena
Definition
Hypothesis Testing
Term
What are the four activities involved in the scientific process?
Definition
Observing
Hypothesizing
Predicting
Testing
Term
What is an overall statement about an observation?
Definition
Descriptive Hypothesis
Term
What is a guess about what cause the pattern in observations?
Definition
Explanitory Hypothesis
Term
What is developed by a prediction and is a logical consequence of the hypothesis?
Definition
Deductive Logic
Term
What are the predictions of a hypothesis further tested by?
Definition
Experiment
Term
What is the basic unit of life?
Definition
Cell
Term
Who named the cells because they reminded him of the small rooms in a monastery?
Definition
Hooke
Term
What are the three parts to the cell theory?
Definition
All living things are made of cells

The cell is the basic unit of life

Cells arise only from preexisting cells
Term
How should scientific names of animals be written?
Definition
First letter is capitalized

Always in italics
Term
Who invented the binomial system of clasification?
Definition
Carolus Linnaeus
Term
What are the 2 basic types of cells?
Definition
Prokaryotic (Simple)

Eukaryotic (Complex)
Term
What kind of charge does a neutron have?
Definition
No charge
Term
What charge does an Electron have?
Definition
Negetive charge
Term
a molecule that is secretedby one cell and that alters teh activities of another cell
Definition
chemical messenger
Term
one or more segments of DNA that together produce a functional RNA molecule
Definition
gene
Term
the synthesis of a protein from a gene
Definition
gene expression
Term
all the DNA molecules within a cell of an organism
Definition
Genome
Term
a gene that moves from one chromosome to another within a cell
Definition
jumping gene
Term
a change in the sequence of bases within a gene
Definition
Mutation
Term
a substitution, addition, or deletion of a single base within a gene
Definition
point mutation
Term
an RNA virus that synthesizes a DNA copy of its genes and then inserts this copy into a RNA molecule of its host cell
Definition
retro virus
Term
a spherical structure formed of RNA and proteins that serves as a site for protein synthesis
Definition
Ribosome
Term
a cluster of organic molecules that uses the cell of an organism to reproduce itself
Definition
Virus
Term
the use of restriction fragment-length polymorphisms to identify people and their relatedness
Definition
DNA fingerprinting
Term
a colored or radioactively labeled cope of one strand of a small segment of a gene
Definition
DNA probe
Term
a technique that describes the sequence of bases within a DNA molecule
Definition
DNA sequencing
Term
a gene transferred to another cell for mass-production of the gene or its protein
Definition
Donor gene
Term
a laboratory technique that arranges molecules according to size
Definition
Gel electrophoresis
Term
the formation of many copies of a donor gene from one copy of the gene
Definition
Gene cloning
Term
a procedure I which a normal gene is transferred into a cell in order to correct for a defective gene in that cell
Definition
Gene therapy
Term
the use of laboratory techniques to manipulate genes
Definition
Genetic engineering
Term
a tiny loop of DNA that occurs naturally within bacteria and moves from one bacterium to another
Definition
Plasmid
Term
the continuous replication of a gene within a test tube
Definition
Polymerase chain reaction
Term
the mass production of proteins and genes inside a bacterium
Definition
Recombinant DNA technology
Term
An enzyme that cuts DNA molecules at a specific base sequence
Definition
Restriction enzyme
Term
length polymorphism-Variation in the length of a particular DNA fragment, among different individuals, after the DNA has been cut by a particular restriction enzyme
Definition
Restriction fragment
Term
an organism that has received genes, via genetic engineering, from another species
Definition
Transgenic organism
Term
a DNA molecule used by genetic engineers to transport a gene from one cell to another
Definition
Vector
Term
a small organic molecule formed of an amino group(NH2) a carboxyl group(COOH), and an R group
Definition
Amino
Term
the chemical reaction by which monomers are joined by covalent bonds; water in released from the monomers as they join together
Definition
dehydration synthesis
Term
an organic molecule that increases the rate of a biochemical reaction
Definition
Enzyme
Term
a long chain on carbon atoms , with attached hydrogen atoms that terminates with a carboxyl groupfatty acid
Definition
fatty acid
Term
a small organic molecule, formed of six carbons, that as a monomer is a main source of energy and as a polymer forms starch, glycogen, cellulose, and other important polysaccharides
Definition
glucose
Term
The chemical reaction in which a polymer is digested into its component monomers, water is added to the monomers as they separate
Definition
Hydrolysis
Term
a molecule that was not synthesized by an organism
Definition
Inorganic
Term
a polymer built dehydration synthesis from several kinds of smaller molecules that consist mainly of carbon and hydrogen atoms
Definition
Lipid
Term
a small molecule usually a ring, formed of carbon, oxygen, and hydrogen atoms
Definition
Monosaccharide
Term
a polymer formed by dehydration synthesis from nucleotides
Definition
Nucleic
Term
a small organic molecule formed of a sugar, a phosphate ion, and a nitrogenous baseNucleotide
Definition
Nucleotide
Term
a molecule synthesized by an organism
Definition
Organic
Term
a large molecule built of an or a few kinds of smaller molecules called monomerspolymer
Definition
Polymer
Term
a polymer built by dehydration synthesis from monosaccharide monomers
Definition
Polysaccharide
Term
a molecule formed of one or more polypeptides
Definition
Protein
Term
a small organic molecule bonded into a larger one; it forms different molecules from a common structure
Definition
R-group
Term
a specific ion or molecule that fits into a n active site of an enzyme
Definition
Substrate
Term
a polymer built by dehydration synthesis from many amino acid
Definition
Polypeptide
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