In the disease, _____, motor neurons are destroyed and death by respiratory failure occurs

within three to five years of diagnosis.



Fill in the blank(s) with the appropriate word(s).


ANS: amyotrophic lateral sclerosis

Biology & Microbiology

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A researcher wants to mutagenize an organism. He is not in need of a large number of mutants but is more concerned with being able to find and then to amplify the mutated sequence. Which of the following would therefore be more useful?

A) ionizing radiation B) UV radiation C) transposon insertion D) a chemical mutagen E) search for spontaneous mutant

Biology & Microbiology

One method to circumvent issues with introns when expression eukaryotic gene is a bacterium is to simply clone the mature transcript

Indicate whether the statement is true or false.

Biology & Microbiology

When one parental allele is expressed and the other is silenced, the phenomenon is called ____

a. sex-linked inheritance b. uniparental inheritance c. cytoplasmic inheritance d. genomic imprinting e. maternal inheritance

Biology & Microbiology

Gregor Mendel's findings is named the ____?

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology