The answer set for this question shows a series of short amino acid sequences obtained from a protein. If you were faced with choosing one of these to design a probe for a particular gene, which would provide the simplest probe or probe set?

(To answer this question, consult the codon table shown in the figure above.)
A) leucine-leucine-serine-leucine
B) leucine-serine-proline-proline
C) proline-methionine-proline-leucine
D) tryptophan-methionine-tryptophan-tryptophan


Answer: D

Biology & Microbiology

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The main solutes in the filtrate as it enters the distal convoluted tubule are (select all correct choices):

A. urea. B. electrolytes. C. other wastes. D. amino acids. E. nucleotides.

Biology & Microbiology

According to the Hardy-Weinberg principle, which of the following must be true for gene frequencies in a population to remain the same?

A) Mating is random. B) Mutations occur consistently. C) The population is small. D) Natural selection occurs.

Biology & Microbiology

A closed or blocked reading frame is __________

a. one that can not be transcribed at all b. a reading frame that is damaged and therefore can not be read c. a reading frame that cannot be translated into protein because termination codons occur frequently d. heterochromatin that can not be transcribed e. None of the above

Biology & Microbiology

During tryptophan synthesis in Escherichia coli, the 1:2 attenuator sequence of mRNA is called the pause loop.

Answer the following statement true (T) or false (F)

Biology & Microbiology