BIOL3200 EXAM 3 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++

BIOL3200 EXAM 3 QUESTIONS AND ANSWERS WITH

COMPLETE SOLUTIONS GRADED A++


describe the central dogma


DNA transcribed to RNA translated to ribosomes


exception to the central dogma


retroviruses can convert RNA to DNA


define genes


units of heredity


define genetics


study of genes


define chromosomes


structures containing genes


define operons


organisations on genomes of related functions


examples of operons


promoters, operators


define missense mutation

, mutation resulting in change of function


define nonsense mutation


mutation resulting in complete loss of function


define silent mutation


mutation resulting in no change of function


define frameshift mutation


mutation resulting in change of open reading frame


define the semiconservative nature of dna


Each daughter strand gets one parent and one new strand


define the bidirectional nature of DNA replication


Complementary strands synthesised in opposite directions


structure of DNA


double helix


pyridines


c and t


purines


a and g


How many hydrogen bonds are between A and T?


2