Bio 172 Final Exam UH Questions With Correct
Answers
Polyspermy |- |CORRECT |ANSWER✔✔-The |entry |of |multiple |sperm |nuclei |entering |into |the |egg
Acrosomal |Reaction |- |CORRECT |ANSWER✔✔-Triggered |when |the |sperm |reaches |the |egg
Sperm |binds |to |receptors |in |egg |in |lock |and |key |fashion
Acrosome |- |CORRECT |ANSWER✔✔-Tip |of |the |sperm |that |releases |hydrolytic |enzymes |that |
digest |material |surrounding |the |egg
Fertilization |- |CORRECT |ANSWER✔✔-Sperm |penetrates |protective |layer |of |the |egg
Receptors |on |egg |molecule |bind |with |molecules |on |sperm |surface
Fast |Block |to |Polyspermy |- |CORRECT |ANSWER✔✔-Reaction |by |gamete |contact |and/or |fusion |
depolarizes |the |egg |cell |membrane
Cortical |Reaction |- |CORRECT |ANSWER✔✔-Vesicles |beneath |the |egg |plasma |membrane |release
|their |contents
Slow |Block |to |Polyspermy |- |CORRECT |ANSWER✔✔-Cortical |reaction |that |forms |a |fertilization |
envelope
Capacitation |- |CORRECT |ANSWER✔✔-Secretions |in |the |mammalian |female |reproductive |tract |
alter |sperm |motility |and |structure
, Cleavage |- |CORRECT |ANSWER✔✔-Period |of |cell |division |without |growth
Blastomeres |- |CORRECT |ANSWER✔✔-Smaller |cells |of |cleavage |reaction
Blastula |- |CORRECT |ANSWER✔✔-A |ball |of |cells |with |a |fluid-filled |cavity |called |a |blastocoel.
Yolk |- |CORRECT |ANSWER✔✔-Influences |the |pattern |of |cleavage
Vegetal |Pole: |Has |more |yolk
Animal |Pole: |Has |Less |yolk
Holoblastic |Cleavage |- |CORRECT |ANSWER✔✔-Complete |division |of |the |egg, |occurs |in |species |
whose |eggs |have |little |or |moderate |amounts |of |yolk, |such |as |sea |urchins |and |frogs
Meroblastic |Cleavage |- |CORRECT |ANSWER✔✔-Incomplete |division |of |the |egg, |occurs |in |
species |with |yolk-rich |eggs, |such |as |reptiles |and |birds
Morphogenesis |- |CORRECT |ANSWER✔✔-The |process |by |which |cells |occupy |their |appropriate |
locations
Gastrulation |- |CORRECT |ANSWER✔✔-The |movement |of |cells |from |the |blastula |surface |to |the |
interior |of |the |embryo
Organogenesis |- |CORRECT |ANSWER✔✔-Formation |of |organs
Determination |- |CORRECT |ANSWER✔✔-Term |used |to |describe |the |process |by |which |a |cell |or |
group |of |cells |becomes |committed |to |a |particular |fate
Answers
Polyspermy |- |CORRECT |ANSWER✔✔-The |entry |of |multiple |sperm |nuclei |entering |into |the |egg
Acrosomal |Reaction |- |CORRECT |ANSWER✔✔-Triggered |when |the |sperm |reaches |the |egg
Sperm |binds |to |receptors |in |egg |in |lock |and |key |fashion
Acrosome |- |CORRECT |ANSWER✔✔-Tip |of |the |sperm |that |releases |hydrolytic |enzymes |that |
digest |material |surrounding |the |egg
Fertilization |- |CORRECT |ANSWER✔✔-Sperm |penetrates |protective |layer |of |the |egg
Receptors |on |egg |molecule |bind |with |molecules |on |sperm |surface
Fast |Block |to |Polyspermy |- |CORRECT |ANSWER✔✔-Reaction |by |gamete |contact |and/or |fusion |
depolarizes |the |egg |cell |membrane
Cortical |Reaction |- |CORRECT |ANSWER✔✔-Vesicles |beneath |the |egg |plasma |membrane |release
|their |contents
Slow |Block |to |Polyspermy |- |CORRECT |ANSWER✔✔-Cortical |reaction |that |forms |a |fertilization |
envelope
Capacitation |- |CORRECT |ANSWER✔✔-Secretions |in |the |mammalian |female |reproductive |tract |
alter |sperm |motility |and |structure
, Cleavage |- |CORRECT |ANSWER✔✔-Period |of |cell |division |without |growth
Blastomeres |- |CORRECT |ANSWER✔✔-Smaller |cells |of |cleavage |reaction
Blastula |- |CORRECT |ANSWER✔✔-A |ball |of |cells |with |a |fluid-filled |cavity |called |a |blastocoel.
Yolk |- |CORRECT |ANSWER✔✔-Influences |the |pattern |of |cleavage
Vegetal |Pole: |Has |more |yolk
Animal |Pole: |Has |Less |yolk
Holoblastic |Cleavage |- |CORRECT |ANSWER✔✔-Complete |division |of |the |egg, |occurs |in |species |
whose |eggs |have |little |or |moderate |amounts |of |yolk, |such |as |sea |urchins |and |frogs
Meroblastic |Cleavage |- |CORRECT |ANSWER✔✔-Incomplete |division |of |the |egg, |occurs |in |
species |with |yolk-rich |eggs, |such |as |reptiles |and |birds
Morphogenesis |- |CORRECT |ANSWER✔✔-The |process |by |which |cells |occupy |their |appropriate |
locations
Gastrulation |- |CORRECT |ANSWER✔✔-The |movement |of |cells |from |the |blastula |surface |to |the |
interior |of |the |embryo
Organogenesis |- |CORRECT |ANSWER✔✔-Formation |of |organs
Determination |- |CORRECT |ANSWER✔✔-Term |used |to |describe |the |process |by |which |a |cell |or |
group |of |cells |becomes |committed |to |a |particular |fate
