TestBank 7 life-span development Questions And Answers
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Course
Life-span development
Institution
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...
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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