The mutation resulting in sickle-cell disease changes one base pair of DNA so that a codon now codes for a different amino acid so it is an example of a _____
A) nonsense mutation
B) frameshift mutation
C) silent mutation
D) missense mutation
Answer: D
Biology & Microbiology
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What will be an ideal response?
Biology & Microbiology
Multiple sclerosis is brought about by
a. destruction of cells in the basal ganglia. b. a viral infection of the meninges. c. a buildup of amyloid protein in the brain. d. CSF buildup in the ventricles. e. progressive destruction of the myelin sheath in the CNS.
Biology & Microbiology
Experiments that attempt to simulate conditions on early Earth have produced results that hint at the possible origins of life. What have the experiments produced?
What will be an ideal response?
Biology & Microbiology
Ensantina klauberi and Ensatina eschscholtzii should be considered different biological species.
a. true b. false
Biology & Microbiology