BIO 351 Exam 2 Comprehensive
Questions (Frequently Tested) and
Complete Solutions Graded A+
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In the mouse embryo, this tissue provides important cues that specify
the anterior-posterior orientation of the primitive streak. Name this
tissue. - Answer: Anterior Visceral Endoderm
, During neural development, the dietary vitamin ____ is required for
____ closure. - Answer: Folate, dorsal neural tube
Somites form in a ____ sequence. The location of somite formation is
dependent upon a gradient of _____, a patterning cute with high levels
of expression in the caudal tailbud. - Answer: Rostral to caudal, FGF8
Which of the following embryonic sources make the largest
contribution to the cells currently in your body? - Answer: Epiblast
Melanoblasts derive from neural crest that migrate from the ___ along
the ___ pathway near the epidermis. - Answer: Dorsal neural tube,
dorsolateral
Which of the following represents an important outcome of heart
looping? - Answer: Conversion of anterior-posterior asymmetry to left-
right asymmetry
Disruptions of the formation of the primordial lung bud can lead to
severe birth defects involving the ____ and ____. - Answer: Esophagus,
trachea
Questions (Frequently Tested) and
Complete Solutions Graded A+
Portage Learning
Professional Academic Assistance Services
Services Offered
• Proctored Exam Assistance
• Online Class Management (Full Course Support)
• Exam Preparation & Study Materials
• Assignments and Coursework Support
• Essay and Research Paper Writing
• Discussion Posts & Responses
• Editing and Proofreading
• Confidential Academic Consultation
Contact Information
Email:
WhatsApp link: https://wa.me/254704846336
Fast Response | Confidential | Reliable Academic Support
Helping Students Achieve Academic Excellence
In the mouse embryo, this tissue provides important cues that specify
the anterior-posterior orientation of the primitive streak. Name this
tissue. - Answer: Anterior Visceral Endoderm
, During neural development, the dietary vitamin ____ is required for
____ closure. - Answer: Folate, dorsal neural tube
Somites form in a ____ sequence. The location of somite formation is
dependent upon a gradient of _____, a patterning cute with high levels
of expression in the caudal tailbud. - Answer: Rostral to caudal, FGF8
Which of the following embryonic sources make the largest
contribution to the cells currently in your body? - Answer: Epiblast
Melanoblasts derive from neural crest that migrate from the ___ along
the ___ pathway near the epidermis. - Answer: Dorsal neural tube,
dorsolateral
Which of the following represents an important outcome of heart
looping? - Answer: Conversion of anterior-posterior asymmetry to left-
right asymmetry
Disruptions of the formation of the primordial lung bud can lead to
severe birth defects involving the ____ and ____. - Answer: Esophagus,
trachea
