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Exam (elaborations)

TestBank 7 life-span development Questions And Answers

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  • Course
  • Life-span development
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  • Life-span Development

c. Synaptic structure d. All of the above ~ A Which disorder is a chromosomal abnormality that produces abnormal formation of dendritic spines? a. PKU b. Down syndrome c. Fragile X syndrome d. Alzheimer's disease ~ B If both eyes are deprived of light after an animal's sensitive period...

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  • August 8, 2024
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  • Exam (elaborations)
  • Questions & answers
  • Life-span development
  • Life-span development
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TestBank 7 life-span
development Questions And
Answers

A vertebrate born with damage to the rhombencephalon is also likely to have

damage to the


a. metencephalon.


b. mesencephalon.


c. telencephalon.


d. diencephalon.


✓~ A




Trauma that affects the central nervous system of a human embryo between 22

and 24 days after fertilization would not affect


a. neural crest formation.


b. brain formation.


c. neurogenesis in the forebrain.

,d. Both b and c


✓~ A




In neurons undergoing apoptosis, DNA is cut up by a. caspases.


b. IAPs.


c. Diablo.


d. death genes.


✓~ A




Certain growing axons are prevented from crossing the midline by the _______

action of the protein _______.


a. chemoattractant; Semaphorin b. chemorepellent; Semaphorin c.

chemoattractant; Slit


d. chemorepellent; Slit


✓~ D




The release of Diablo within neurons is induced by an influx of _______ ions. a.

Na+

, b. Cl-


c. Ca2+


d. K+


✓~ C




Which of the following is not a feature of C. elegans? a. Extensive cell-cell

interactions


b. Transparent bodies


c. Small number of neurons


d. Mitotic determination of cell fate


✓~ A




During a period of normal cell death, developing neurons are thought to compete

for a. cell adhesion molecules.


b. death genes.


c. neurotrophic factors.


d. glucose.

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