Biochemistry WGU C785 - Module 1
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A+| Updated & Verified | 2024
Dominant Allele - ✔✔an allele that dominates or masks the presence of another allele and is
fully expressed
Dominant trait - ✔✔the trait that is expressed from a dominant allele
Recessive allele - ✔✔the trait that is completely masked and is not expressed
Recessive trait - ✔✔a genetic factor that is blocked by the presence of a dominant factor
Epigenetics - ✔✔the study of environmental influences on gene expression that occur without a
DNA change
Exons - ✔✔expressed sequence of DNA; codes for a protein
, Gene Expression - ✔✔process by which a gene produces its product and the product carries out its
function
Histones - ✔✔they are the chief protein components of chromatin, acting as spools around which
DNA winds, and playing a role in gene regulation
Inheritance - ✔✔is the passage of hereditary traits from one generation to the next
Introns - ✔✔Non-coding segments of nucleic acid that lie between coding sequences.
Intervening sequences in a newly made mRNA molecule that are removed by splicing before the
mRNA is released into the cytoplasm for protein synthesis
mRNA - ✔✔messenger RNA; type of RNA that carries instructions from DNA in the nucleus to the
ribosome
Peptide Bond - ✔✔covalent bond formed between amino acids
Polypeptides - ✔✔
Promoter - ✔✔specific region of a gene where RNA polymerase can bind and begin transcription
Ribosome - ✔✔Cytoplasmic organelles at which proteins are synthesized.
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