Which of the following disorders is caused by a defect in the production of an elastic connective tissue protein called fibrillin?
A. sickle-cell disease
B. Huntington disease
C. Tay-Sachs disease
D. cystic fibrosis
E. Marfan syndrome
Answer: E
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True or false: it is impossible to override a genetic predisposition to a disease such as skin cancer
A. true B. false
The transgenic mouse models for amyotrophic lateral sclerosis (ALS) and Huntington disease show symptoms similar to those seen in humans affected by these conditions
a. True b. False Indicate whether the statement is true or false
What is the basis of the typical -70mV resting potential in neurons? Rank the factors in order from most important to least important.
__ Ca+2 equilibrium potential __ K+ equilibrium potential __ Na+ equilibrium potential
Related to the amoebas, these usually unicellular creatures are able to aggregate under times of stress.
A. cellular slime molds B. water molds C. ciliates D. plasmodial slime molds