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20 Cards in this Set
- Front
- Back
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1. Which of the following is false regarding chromosomes?
a. Single or multiple chromosomal abnormalities may impact mental function b. Genetic information is stored in chromosomes c. Genes located sequentially on chromosomes d. In a typical human cell there are 22 pairs of non-sex-linked chromosomes and two pair of sex chromosomes (4 sex chromosomes total) e. A typical human cell contains 46 total chromosomes. |
d. In a typical human cell there are 22 pairs of non-sex-linked chromosomes and two pair of sex chromosomes (4 sex chromosomes total)
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Which of the following is NOT true of Huntington’s disease?
a. It is characterized by the death of neurons in caudate nucleus of basal ganglia b. Some symptoms include incessant movement and dementia c. It causes death within 10 -15 years of its onset d. It is caused by a single gene defect e. It is a neurological disorder that is caused by unsanitary living conditions |
e. It is a neurological disorder that is caused by unsanitary living conditions
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Who is credited with having determined that genes are located on chromosomes?
a. Ray Fuller b. Louis Pasteur c. Thomas Morgan d. Alexander Shulgin e. Eli Lilly |
c. Thomas Morgan
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Which of the following is a property of microtubles?
a. Their association with the protein myosin gives them a role in muscle contraction b. They are composed of subunits of the protein tubulin, where these subunits are termed gamma and epsilon. c. They are composed predominantly of a contractile protein called actin d. They provide a set of "tracks" for cell organelles and vesicles to move on e. All of the above are properties of microtubles |
d. They provide a set of "tracks" for cell organelles and vesicles to move on
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What is true of the mitochondrial DNA?
a. It is maternally inherited b. It is paternally inherited c. It is of no use in genealogical research into a person’s maternal line d. a and b only e. None of the above are true. |
a. It is maternally inherited
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Alleles are:
a) genes located sequentially on chromosomes b) personality traits c) gene variants at a given location on a chromosome d) environmental factors e) none of the above |
c) gene variants at a given location on a chromosome
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Chemical constituents and morphology of the cell are
primarily determined by: a) the cell environment b) gene expression c) the Golgi apparatus d) neurotransmitters e) none of the above |
b) gene expression
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The primary function of microtubules is:
a) to support the dendrites b) to facilitate protein and organelle transport c) to connect neurofilaments to the cell body d) all of the above e) none of the above |
b) to facilitate protein and organelle transport
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Neurotransmitters are packaged into ________ whose walls are
identical to the ________: a) vesicles, cell membrane b) microtubules, nuclear envelope c) glial cells, myelin sheath d) ribosomes, mitochondria e) none of the above |
a) vesicles, cell membrane
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. Ion channels:
a) regulate and restore membrane potential differences b) facilitate information processing in the neuron c) are hollow tubes composed of proteins that span the cell membrane d) a & b e) a, b & c |
e) a, b & c
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What are the three cytoskeletal components of neurons?
a) microtubules, macrofilaments, neurofilaments b) neurotubules, microfilaments, microtubules c) microtubules, neurofilaments, microfilaments d) macrotubules, neurofilaments, microfilaments e) neurotubules, microfilaments, macrotubules |
c) microtubules, neurofilaments, microfilaments
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Several diseases including schizophrenia, manic-depressive
disorder, and diabetes are termed multigenic diseases. What is/are the characteristic(s) of a multigenic disorder? a) the disorder is determined by a small number of genes b) the disease is determined via environmental influences only c) the disorder is a result of many genes, each with a small effect d) none of the above e) both (a) and (c) |
e) both (a) and (c)
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Mutations in this neurotransmitter receptor of the brain may
influence novelty-seeking behavior: a) epinephrine b) serotonin c) dopamine d) norepinephrine e) acetylcholine |
c) dopamine
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. Macromolecules are assembled in what part of the neuron?
a) soma b) proximal portion of the dendrites c) distal portion of the dendrites d) both (a) and (b) e) none of the above |
d) both (a) and (b)
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Large membranous organelles are transported via fast axonal
transport in the axon. These organelles include: a) vesicles of the constitutive secretory pathway b) synaptic vesicle precursor membranes c) mitochondria d) elements of the smooth endoplasmic reticulum e) all of the above |
e) all of the above
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. A phenotype is:
a) A type of neurotransmitter b) A type of neuron c) The functional expression of genes d) Another word for genotype e) None of the above |
c) The functional expression of genes
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. Researchers have determined that schizophrenia has a strong genetic component through __________ studies.
a) Twin b) Unethical c) Emotional d) Cognitive e) Researchers don’t study schizophrenia |
a) Twin
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Sir Francis Galton believed __________ had a strong genetic component.
a) Novelty seeking behavior b) The ability to drink Scotch whisky c) Polo playing d) Intelligence e) Personality |
d) Intelligence
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Much behavior is shaped by an interplay between:
a) Genes and phenotypes b) Genes and behavior c) Behavior and phenotypes d) Jeans and environment e) Genes and environment |
e) Genes and environment
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. ________________ of ~80,000 genes encode protein structures for the brain.
a) 1 b) ~1,243 c) ~15,000 d) ~30,000 e) ~75,000 |
d) ~30,000
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