In which of the following diseases are motor
neurons destroyed?
a. polio
b. amyotrophic lateral sclerosis
c. Duchenne muscular dystrophy
d. multiple sclerosis
e. more than one of these
E
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The inorganic non-protein components that participate in enzyme catalysis are known as
A. coenzymes. B. cofactors. C. products. D. substrates. E. reactants.
The first part of a new polypeptide chain being produced in a eukaryotic cell has a signal peptide. Translation of this
polypeptide ____.
a. occurs on a free ribosome in the cytosolb. begins on a free ribosome in the cytosol and is completed on the rough ER c. occurs in the Golgi apparatus d. begins on the rough ER and is completed in the Golgi apparatus e. occurs on the rough ER
The ____ would most likely contain blood that needs to be cleansed
a. renal vein b. renal artery c. nephron d. kidney e. bladder
The F2 phenotypic ratio of a monohybrid cross
involving a gene with incompletely dominant alleles is a. 1:1. b. 2:1. c. 9:3:3:1. d. 1:2:1. e. 3:1.