BIO 351 All Exam Questions exam with
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
correct answers ||\\||\\
Axonal growth cones are highly dynamic structures that ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
utilize ____________ to modulate formation of finger like
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
extensions known as filopodia and wave like extensions ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
called _________ ||\\||\\
A. Neurotrophins, microtubules
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B. Apoptosis, dendritic spines
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C. Bcl-2 family members, dendrites
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D. Rho GTPase family members, lamellipodia - correct
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
answers✔✔D
In an experiment involving an E10.5 mouse embryo, there
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
is very little Caspase-3 activation in the heterozygote.
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
However, the homozygous knockout mouse showed ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
significant inrease in Caspase-3 labeling in the developing ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
DRG. Loss of which of the following genes would be LEAST
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
likely to result in this finding?
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
,A. Bcl-2 ||\\||\\
B. NGF ||\\||\\
C. Bax ||\\||\\
D. TrkC ||\\||\\
E. NT-3 - correct answers✔✔C
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
If you took a fibroblast and increased the expression of
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Oct4 (Pou5tf), Myc, Klf4, and Sox2, you would be able to
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
convert them into cells with the differentiation potential ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
most similar to which of the following?
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
A. Epiblast ||\\||\\
B. Satellite Cells
||\\||\\ ||\\||\\
C. Neural Plate Cells
||\\||\\ ||\\||\\ ||\\||\\
D. Somites ||\\||\\
E. Zygote - correct answers✔✔A
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
,What embryonic tissue generates most of the cells in the
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
placenta that regulate nutrient transfer between the ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
maternal and fetal bloodstreams? ||\\||\\ ||\\||\\ ||\\||\\
A. Ectoderm ||\\||\\
B. Endoderm||\\||\\
C. Mesoderm||\\||\\
D. Trophoblast - correct answers✔✔D
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
You have discovered that a pesticide binds to the
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
androgen receptor and causes defects in the developing ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
male reproductive tract. This is an example of which of the
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
following?
||\\||\\
A. Teratogen ||\\||\\
B. Hormone ||\\||\\
C. Endocrine disruptor
||\\||\\ ||\\||\\
D. Protein - correct answers✔✔C
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
, If a woman has damaged Fallopian tubes, which of the
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
following would be the best protocol for in vitro ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
fertilization?
A. Intra-Fallopian transfer of a fertilized oocyte
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
B. Intra-uterine transfer of a blastocyst
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
C. Intra-uterine transfer of a fertilized oocyte
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
D. Hormone replacement therapy - correct answers✔✔B
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Where will neuroepithelial progenitors of the developing ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
CNS undergo mitosis? ||\\||\\ ||\\||\\
A. at the ventricular surface
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
B. at the pial surface
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
C. at the midpoint halfway between the pia and ventricle
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
D. randomly at any point
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
E. neuroepithelial progenitors are postmitotic and do not
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
divide - correct answers✔✔A ||\\||\\ ||\\||\\ ||\\||\\
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
correct answers ||\\||\\
Axonal growth cones are highly dynamic structures that ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
utilize ____________ to modulate formation of finger like
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
extensions known as filopodia and wave like extensions ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
called _________ ||\\||\\
A. Neurotrophins, microtubules
||\\||\\ ||\\||\\
B. Apoptosis, dendritic spines
||\\||\\ ||\\||\\ ||\\||\\
C. Bcl-2 family members, dendrites
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
D. Rho GTPase family members, lamellipodia - correct
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
answers✔✔D
In an experiment involving an E10.5 mouse embryo, there
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
is very little Caspase-3 activation in the heterozygote.
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
However, the homozygous knockout mouse showed ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
significant inrease in Caspase-3 labeling in the developing ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
DRG. Loss of which of the following genes would be LEAST
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
likely to result in this finding?
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
,A. Bcl-2 ||\\||\\
B. NGF ||\\||\\
C. Bax ||\\||\\
D. TrkC ||\\||\\
E. NT-3 - correct answers✔✔C
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
If you took a fibroblast and increased the expression of
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Oct4 (Pou5tf), Myc, Klf4, and Sox2, you would be able to
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
convert them into cells with the differentiation potential ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
most similar to which of the following?
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
A. Epiblast ||\\||\\
B. Satellite Cells
||\\||\\ ||\\||\\
C. Neural Plate Cells
||\\||\\ ||\\||\\ ||\\||\\
D. Somites ||\\||\\
E. Zygote - correct answers✔✔A
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
,What embryonic tissue generates most of the cells in the
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
placenta that regulate nutrient transfer between the ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
maternal and fetal bloodstreams? ||\\||\\ ||\\||\\ ||\\||\\
A. Ectoderm ||\\||\\
B. Endoderm||\\||\\
C. Mesoderm||\\||\\
D. Trophoblast - correct answers✔✔D
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
You have discovered that a pesticide binds to the
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
androgen receptor and causes defects in the developing ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
male reproductive tract. This is an example of which of the
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
following?
||\\||\\
A. Teratogen ||\\||\\
B. Hormone ||\\||\\
C. Endocrine disruptor
||\\||\\ ||\\||\\
D. Protein - correct answers✔✔C
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
, If a woman has damaged Fallopian tubes, which of the
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
following would be the best protocol for in vitro ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
fertilization?
A. Intra-Fallopian transfer of a fertilized oocyte
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
B. Intra-uterine transfer of a blastocyst
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
C. Intra-uterine transfer of a fertilized oocyte
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
D. Hormone replacement therapy - correct answers✔✔B
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Where will neuroepithelial progenitors of the developing ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
CNS undergo mitosis? ||\\||\\ ||\\||\\
A. at the ventricular surface
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
B. at the pial surface
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
C. at the midpoint halfway between the pia and ventricle
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
D. randomly at any point
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
E. neuroepithelial progenitors are postmitotic and do not
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
divide - correct answers✔✔A ||\\||\\ ||\\||\\ ||\\||\\
