BYU MMBIO 121 Final Exam Questions With
Correct Answers
How |is |the |DNA |different |in |Prokaryotic |cells |vs |eukaryotic |cells? |- |CORRECT |ANSWER✔✔-
Prokaryotic: |Plasmid, |simple
Eukaryotic: |chromosomes, |complex, |found |in |nuclear |envelope
How |does |the |difference |between |eukaryotic |and |prokaryotic |DNA |influence |genes? |- |
CORRECT |ANSWER✔✔-Ability |of |what |the |cell |can |do
What |are |histones? |- |CORRECT |ANSWER✔✔-Proteins |found |in |eukaryotic |cell |nuclei |that |
package |and |order |the |DNA |into |structural |units |called |nucleosomes.
How |are |histones |regulatory? |- |CORRECT |ANSWER✔✔-Organize |DNA |so |it |doesnt |get |tangled
Nucleosomes |are...? |- |CORRECT |ANSWER✔✔-a |group |of |histone |proteins
Chromatin |are...? |- |CORRECT |ANSWER✔✔-The |nucleoprotein |material |of |the |eukaryotic |
chromosome.
Gnome |is...? |- |CORRECT |ANSWER✔✔-Genome |is |defined |as |the |complete |haploid |genetic |
complement |of |a |typical |cell
What |determines |the |complexity |of |an |organism? |- |CORRECT |ANSWER✔✔-Gnome
What |does |ploidy |mean? |- |CORRECT |ANSWER✔✔-number |of |chromosomes
, What |is |the |difference |between |diploid |and |haploid? |- |CORRECT |ANSWER✔✔-The |number |of |
chromosome |sets |found |in |the |nucleus. |2n |vs |n
What |is |an |open |reading |frame? |- |CORRECT |ANSWER✔✔-The |open |reading |frame |motif |is |a |
long |stretch |of |codons |for |amino |acids |with |no |stop |codon.
What |are |introns? |- |CORRECT |ANSWER✔✔-noncoding |regoins |of |DNA
What |are |exons? |- |CORRECT |ANSWER✔✔-coding |regions |of |DNA
What |is |comparative |genomics? |- |CORRECT |ANSWER✔✔-The |study |of |analysing |the |
similarities |and |differences |in |protein-coding |genes |and |other |types |of |sequence |in |the |
genomes |of |different |species
How |can |you |do |comparative |genomics |looking |at |organismal |DNA? |- |CORRECT |ANSWER✔✔-
Phylogenetic |trees
What |is |nondisjunction? |- |CORRECT |ANSWER✔✔-When |sex |chromosomes |don't |separate |like |
they |should
Which |organelles |have |their |own |DNA? |- |CORRECT |ANSWER✔✔-Mitochondria |and |
chloroplasts
Mutation |is |defined |as...? |- |CORRECT |ANSWER✔✔-any |heritable |change |in |the |genetic |
material
Correct Answers
How |is |the |DNA |different |in |Prokaryotic |cells |vs |eukaryotic |cells? |- |CORRECT |ANSWER✔✔-
Prokaryotic: |Plasmid, |simple
Eukaryotic: |chromosomes, |complex, |found |in |nuclear |envelope
How |does |the |difference |between |eukaryotic |and |prokaryotic |DNA |influence |genes? |- |
CORRECT |ANSWER✔✔-Ability |of |what |the |cell |can |do
What |are |histones? |- |CORRECT |ANSWER✔✔-Proteins |found |in |eukaryotic |cell |nuclei |that |
package |and |order |the |DNA |into |structural |units |called |nucleosomes.
How |are |histones |regulatory? |- |CORRECT |ANSWER✔✔-Organize |DNA |so |it |doesnt |get |tangled
Nucleosomes |are...? |- |CORRECT |ANSWER✔✔-a |group |of |histone |proteins
Chromatin |are...? |- |CORRECT |ANSWER✔✔-The |nucleoprotein |material |of |the |eukaryotic |
chromosome.
Gnome |is...? |- |CORRECT |ANSWER✔✔-Genome |is |defined |as |the |complete |haploid |genetic |
complement |of |a |typical |cell
What |determines |the |complexity |of |an |organism? |- |CORRECT |ANSWER✔✔-Gnome
What |does |ploidy |mean? |- |CORRECT |ANSWER✔✔-number |of |chromosomes
, What |is |the |difference |between |diploid |and |haploid? |- |CORRECT |ANSWER✔✔-The |number |of |
chromosome |sets |found |in |the |nucleus. |2n |vs |n
What |is |an |open |reading |frame? |- |CORRECT |ANSWER✔✔-The |open |reading |frame |motif |is |a |
long |stretch |of |codons |for |amino |acids |with |no |stop |codon.
What |are |introns? |- |CORRECT |ANSWER✔✔-noncoding |regoins |of |DNA
What |are |exons? |- |CORRECT |ANSWER✔✔-coding |regions |of |DNA
What |is |comparative |genomics? |- |CORRECT |ANSWER✔✔-The |study |of |analysing |the |
similarities |and |differences |in |protein-coding |genes |and |other |types |of |sequence |in |the |
genomes |of |different |species
How |can |you |do |comparative |genomics |looking |at |organismal |DNA? |- |CORRECT |ANSWER✔✔-
Phylogenetic |trees
What |is |nondisjunction? |- |CORRECT |ANSWER✔✔-When |sex |chromosomes |don't |separate |like |
they |should
Which |organelles |have |their |own |DNA? |- |CORRECT |ANSWER✔✔-Mitochondria |and |
chloroplasts
Mutation |is |defined |as...? |- |CORRECT |ANSWER✔✔-any |heritable |change |in |the |genetic |
material
