Advanced Pathophysiology- Chapter 4 Exam Questions With Verified Answers
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Course
Advanced pathophysiology
Institution
Advanced Pathophysiology
Advanced Pathophysiology- Chapter 4 Exam
Questions With Verified Answers
Define gene - answerthe basic unit of of inheritance
How many genes do we have? - answer20,000 to 25,000
Define geneotype - answerComposition of genes at a given locus
Define phenotype - answerThe outward apperance of a p...
What are proteins made of? - answer✔Polypeptides (chains of amino acids)
How many amino acids are there? - answer✔20
Define codon - answer✔Specifies which amino acid goes where or ends synthesis of a protein (3
nucleotides)
Define nonsense codon - answer✔The termination signal of a gene
How do you strip DNA to get a single helix? - answer✔break weak hydrogen bonds
Example of complementary base pairing? - answer✔A-T, G-C
Function of DNA polymerase? - answer✔protein in dna replication, proofreads and adds new
nucelotides
What is a base pair substitution? Example? - answer✔One base pair is incorrectly replaced by another
(sickle cell anemia).
Another name for base pair substituion? - answer✔Mis-sense substituion
Define frameshift mutation? Give examples. - answer✔insertion or deletion of one or more base pairs to
DNA molecule (Tay-Sachs, Chron's, Cystic Fibrosis)
Define gametes? - answer✔Sperm and egg cells
Define somatic cells? - answer✔All other cells except gamets
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