inner bark – bark composed of phloem and cortex tissue
anticodon – group of three bases on a tRNA molecule that are complementary to the three bases of a codon of mRNA
DNA polymerase – An enzyme that assembles DNA nucleotides into polynucleotides using a preexisting strand of DNA as a template.
670. How can most neural tube defects be prevented? – If mother consumes sufficient amounts of folic acid and vitamin B12.
enzyme – a protein that speeds up the rate of a chemical reaction
aerobic – metabolic process that require oxygen
Type II – Curve that represents constant death rate over lifespan small animals and invertebrates.
mutations are random – Mutations are random. and natural selection is not
Human Genome Project – An international collaborative effort to map and sequence the DNA of the entire human genome.
abnormal fear of (sensitivity to) light
Vesicle – A small cavity or sac that contains materials in a eukaryotic cell; forms when part of he cell membrane surrounds the materials to be taken into the cell or transport within the cell
Community – All the organisms living in a habitat.
red, from blue – colour change indicating that sugar is present, in the chemical test designed for that purpose
Competitive Exclusion Principle – Two species competing for same limiting resource cannot coexist in one place; one species will have an advantage that will eventually lead to competitive exclusion
lipid – macromolecule made mainly from carbon and hydrogen atoms; includes fats, oils, and waxes
birth canal – The channel formed by the vagina and cervix during childbirth.
evolution – (AKA: decent with modification) Is the process in which the inherited characteristics within populations change over generations, such that genetically distinct populations and new species can develop.
аbnоrmаl feаr оf (sensitivity tо) light
virus – a non-living tiny particle that has DNA and reproduces by infecting cells and making the cell build more viruses; can NOT reproduce by itself
biosphere – The part of the earth that contains all ecosystems.
producer – An organism that makes organic food molecules from CO2, H2O, and other inorganic raw materials: a plant, alga, or autotrophic prokaryote.
Describe the difference between a monohybrid and a dihybrid cross? – A monohybrid cross follows one trait and a dihybrid cross follows two traits.