BIO BEYOND: GENETIC REPLICATION
EXAM WITH COMPLETE SOLUTIONS
- rcorrect ranswers r-
Which rbases rpair rin rDNA?
In rthe rsimulation rbelow, rbuild rthe rstrand rthat ris rcomplementary rto rthe rone rshown.
rIn rthis rcase, ryou rare rnot rreplicating rthe rstrand rbut rcompleting rit. r- rcorrect ranswers
r-Thymine
Adenine
Guanine
Cytosine
Cytosine
Thymine
Thymine
Adenine
Guanine
Thymine
, To rcontinue, rclick ron rthe rimage rthat ryou rthink rbest rrepresents rhow rDNA rnormally
rlooks rin rthe rcell. r- rcorrect ranswers r-First rimage
Looking rat rthe rimages, rhow rmany rchromosomes rare rthere rin ra rtypical rhuman? r-
rcorrect ranswers r-46
What rdo ryou rnotice rabout rthe rchromosomes rin rboth rimages? r- rcorrect ranswers r-
They rcome rin rpairs
Why rare rchromosomes ra rpoor rway rto rthink rof rhow rDNA ris rnormally rstored? r-
rcorrect ranswers r-DNA ronly rlooks rlike rthis rduring rreplication
The rtop rimage, rcalled ra rkaryogram ror rkaryotype, ris rfrom ra rhuman rfemale, rwhile
rthe rbottom rone ris rfrom ra rhuman rmale. rWhat rmajor rdifference rdo ryou rnotice? r-
rcorrect ranswers r-The rmale rhas ra rset rof rmismatched rchromosomes
Thinking rback rto rwhat ryou rlearned rabout rgenetics, rwhat rdo rthe rcolored rbands ron
rthe rchromosome rrepresent? r- rcorrect ranswers r-Genes
What rdo rthe rimages rpointing rto reach rcolored rband rrepresent? r- rcorrect ranswers r-
Phenotypes
From ryour rexploration rof rDNA rstructure rand rbiological rmacromolecules, rwhat rdo
ryou rrecall ris rthe rfunction rof rDNA rin rthe rcell? r- rcorrect ranswers r-Information
rstorage
Which rof rthe rfollowing rcharacteristics rare rdifferent rbetween rprokaryotic rand
reukaryotic rchromosomes? r- rcorrect ranswers r-Shape
Where ris rthe rinformation rstored rin rDNA? r- rcorrect ranswers r-Base rsequence
Looking rat rthe rimage rto rthe rright, rwhat rhas rto rbe rdone rto rchromatin rbefore rthe
rinformation rin rit rcan rbe raccessed? r- rcorrect ranswers r-It rhas rto rbe runwound rto
runcoiled rDNA
From rchromatin, rtwo rmajor rprocesses rare rneeded rto rprepare rfor rDNA rreplication.
rWatch rthe rvideo rat rright r- rwhat rprocesses rare rneeded rbefore rnew rDNA rcan rbe
rmade? r- rcorrect ranswers r-DNA rhas rto rbe runcoiled
Bonds rbetween rbases rhave rto rbe rbroken
What rtype rof rbonds rare rbroken rwhen rthe rstrands rare rsplit rapart? r- rcorrect ranswers
r-Hydrogen rbonds
EXAM WITH COMPLETE SOLUTIONS
- rcorrect ranswers r-
Which rbases rpair rin rDNA?
In rthe rsimulation rbelow, rbuild rthe rstrand rthat ris rcomplementary rto rthe rone rshown.
rIn rthis rcase, ryou rare rnot rreplicating rthe rstrand rbut rcompleting rit. r- rcorrect ranswers
r-Thymine
Adenine
Guanine
Cytosine
Cytosine
Thymine
Thymine
Adenine
Guanine
Thymine
, To rcontinue, rclick ron rthe rimage rthat ryou rthink rbest rrepresents rhow rDNA rnormally
rlooks rin rthe rcell. r- rcorrect ranswers r-First rimage
Looking rat rthe rimages, rhow rmany rchromosomes rare rthere rin ra rtypical rhuman? r-
rcorrect ranswers r-46
What rdo ryou rnotice rabout rthe rchromosomes rin rboth rimages? r- rcorrect ranswers r-
They rcome rin rpairs
Why rare rchromosomes ra rpoor rway rto rthink rof rhow rDNA ris rnormally rstored? r-
rcorrect ranswers r-DNA ronly rlooks rlike rthis rduring rreplication
The rtop rimage, rcalled ra rkaryogram ror rkaryotype, ris rfrom ra rhuman rfemale, rwhile
rthe rbottom rone ris rfrom ra rhuman rmale. rWhat rmajor rdifference rdo ryou rnotice? r-
rcorrect ranswers r-The rmale rhas ra rset rof rmismatched rchromosomes
Thinking rback rto rwhat ryou rlearned rabout rgenetics, rwhat rdo rthe rcolored rbands ron
rthe rchromosome rrepresent? r- rcorrect ranswers r-Genes
What rdo rthe rimages rpointing rto reach rcolored rband rrepresent? r- rcorrect ranswers r-
Phenotypes
From ryour rexploration rof rDNA rstructure rand rbiological rmacromolecules, rwhat rdo
ryou rrecall ris rthe rfunction rof rDNA rin rthe rcell? r- rcorrect ranswers r-Information
rstorage
Which rof rthe rfollowing rcharacteristics rare rdifferent rbetween rprokaryotic rand
reukaryotic rchromosomes? r- rcorrect ranswers r-Shape
Where ris rthe rinformation rstored rin rDNA? r- rcorrect ranswers r-Base rsequence
Looking rat rthe rimage rto rthe rright, rwhat rhas rto rbe rdone rto rchromatin rbefore rthe
rinformation rin rit rcan rbe raccessed? r- rcorrect ranswers r-It rhas rto rbe runwound rto
runcoiled rDNA
From rchromatin, rtwo rmajor rprocesses rare rneeded rto rprepare rfor rDNA rreplication.
rWatch rthe rvideo rat rright r- rwhat rprocesses rare rneeded rbefore rnew rDNA rcan rbe
rmade? r- rcorrect ranswers r-DNA rhas rto rbe runcoiled
Bonds rbetween rbases rhave rto rbe rbroken
What rtype rof rbonds rare rbroken rwhen rthe rstrands rare rsplit rapart? r- rcorrect ranswers
r-Hydrogen rbonds
