IB Biology Word Scramble
A E U A N T N D I O R T
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| Question | Answer |
| Denaturation | A structural change in a protein that results in a loss ( usally permanent) of its biological properties |
| Genotype | the alleles possessed by an organism |
| Autotroph | Organisms that use an external source of enegry ( light or chemical ) to synthesise organic compounds from inorganic substances |
| Organ | A group of tissues that form a single struture and which work together to carry out a function |
| Degenerate | Having more than one abse triplet code for one amino acid |
| Community | A group of population living and interacting wt each other in an area |
| Tissue | A group of similar cells ogranized into a functional unit |
| Carrier | an individual that has a recessive allele of a gene |
| Dominant allele | An allele that has the same effect on teh phnotype when either in the homozygous or heterozygous state |
| Heterozygous | having two diff alleles at a gene locus |
| Transpiration | The loss of water vapour from the leaves and stems of a plant |
| Detritivore | Organisms that feed on dead organic matter by ingesting it |
| * | (blank) |
| Test cross | Testing aphenotyically dominant phenotype to determine if it is heterozygous or homozygous |
| competition | When two or more species compete for a particular resource |
| Active site | The specific region of an enzyme tow hich the substrate or substrates bind |
| biomass | The total amount of dry organic matter in an ecosystem |
| Mutualism | A realtionship bt 2 diff speices where both species have some degree of physiological dependency on 1 another and benefit fr the relationship |
| Passive immunity | immunity due to the acquisition of antibodies from another organism, via the placenta or colostrum, in which active immunity has been stimualted |
| Clone | A group of genetically identical organisms or a group of cells derived from a single parent cell |
| Cell respiration | Release of energy in the form of ATP from the comtrolled breakdown of organic compounds within a cell |
| Carrying Capacity | The max pop size that could be supported by the envirnoment |
| Organic | Compounds containing carbon found in organisms (excluding hydrogencarbonates, carbonates, and oxides of carbon) |
| Allele | A specific form of a gene, occupying the same gene locus as other alleles of that gene, but differing from other alleles by samll differences in its base sequence |
| Artifical immunity | immuntiy due to inoculation with vaccine |
| Evolution | The processs of cumulative change in the heritable characteristics of a population |
| Gene Mutation | A change in the sequence of bases in a gene |
| Enzyme | Globular protein capable of catalysing a specific chemical reaction |
| Recessive allele | an allele that only has an effect on the phenotype when it is homozygous state |
| Species | A group of ogranisms that can interbreed to rpoduce fertile offsprings |
| Homozygous | having two identical alleles at a gene locus |
| Action Potential | The reversal and then restoration of the electrical potential across the plasma membrane of a nerve cell as an electrical impluse passes along it. |
| Osmosis | The passive movement of water molecules across a partially permeable membrane froma region of lower solute concentration to a region of higher solute concentration |
| Natural immunity | immunity due to infection |
| Codominant allels | Pairs of alleles that both affect the phenotype when present in the heterozygous state |
| Parasitism | A relationship bt 2 diff species where only 1 species benefits and teh other is usually harmed |
| Excretion | Removal form the body of waste products of metabolism |
| Organelle | A discrete struture within a cell that carries out a specific function |
| Gene | A heritable factor that controls a specific characteristic |
| Net production | Gross production minus the amount used by the producers for respiration |
| * | (blank) |
| Polygenic inheritance | The transmission of a characteristic influenced by several genes |
| Habitat | the envirnoment of which a species normally lives or the the location of a living organism |
| Genome | the whole of the genetic info of an orgnanism |
| Active immunity | Immuntiy due to the produciton of antibodies by the organism itself after stimualtion by invasion with pathogens |
| Phenotype | The characteristics of an organism |
| gross production, | The total amount of organic matter made by producers in an ecosystem |
| Universal | Found in all organisms |
| Trophic level | The position of an organism in a food chain |
| Linkage group | all those genes on a particular chromosome |
| Heterotroph | organsim that obtains its energy from organic molecules that it has consumed |
| Genetic screening | Testing an individual for the presence or absence of an allele |
| * | (blank) |
| Homologouse chromosomes | A pair of chromosomes with the same genes but not nescessarily the same alleles of those genes |
| Population | A group of organism of the same species that live in the same area at the same time |
| * | (blank) |
| * | (blank) |
| Osmoregulation | The control of the water balance of teh blood, tissue fluid or cytoplasm of living organism |
| Ecosystem | A community and its aboitic envirnoment |
| Locus | the specific position on a homologous chromose of a gene |
| Pollination | The transfer of pollen from anther to stigma |
| Saprotroph | Organism that feed on dead organic matter by secreting disgestive enzymes onto it and absorbing the products of digestion |
| Herbivory | A primary consumer feeding on a plant or its products |
| Ecology | the study of relationships bt living organisms and the relationship bt living organisms and their envirnoment |
| Organ system | A group of organs that work together to carry out a function |
| Recombination | The reassortments of alleles into different combinations from those in the parents |
| Diffusion | The passive movement of a substance from a region of high concentration to low concentration |
| Resting potential | the electrical potential across the plasma membrane of a nerve cell that is not conducting an impluse |
| Pathogen | A organism or virus that causes a disease |
| Predation | A predator killing its prey |
Created by:
lucy_b
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