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genetics101

final study

QuestionAnswer
What's the role of enzymes? they facilitate or catalyze biochemical reactions so that they occur swiftly enough to sustain life
what's transcription? Manufacturing RNA from DNA
What's translation? assembly of an amino acid chain according to the sequence of base triplets in a molecule of mRNA.
whats RNA polymerase an enzyme that adds RNA nucleotides to a growing RNA chain.
whats a teratogen a substance that causes a birth defect
whats a critical period the time during prenatal development when a structure is sensitive to damage from a mutation or an enviromental intervention
what's epigenetics a layer of information placed on a gene that is a modification other than a change in DNA sequence
whats a histone a type of protein around which DNA entwines
whats oogenesis oocyte development
whats spermatogenesis sperm cell differentiation
what's cancer a group of disorders resulting from loss of cell cycle control
whats consanguinity blood relatives having children together
whats mutations a change in a protein encoding gene that affects the phenotype and occurs in less than one percent of a population
whats a mitochondrion an organelle consisting of a double membrane that houses enzymes that catalyze reactions that extract energy from nutrients
whats a neural tube a structure in the embryo that develops into the brain and spinal cord
Created by: irenemanolas on 2012-12-14



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