A researcher determined that a strain of E. coli is producing a shortened version of a protein required for glucose metabolism. What type of mutation could be responsible for this shorter than normal protein?
A. nonsense mutation
B. missense mutation
C. silent mutation
D. sense mutation
E. frameshift mutation
A. nonsense mutation
You might also like to view...
Which of the following correctly lists the terms in hierarchical order from smallest to largest?
a. nucleotides, DNA, genes, proteins, genome b. DNA, genes, proteins, genome, nucleotides c. genome, genes, proteins, nucleotides, DNA d. proteins, genes, genome, DNA, nucleotides e. genes, genome, nucleotides, DNA, proteins
What are the two main functions of the choroid layer, located behind the retina in humans?
What will be an ideal response?
All of the following are methods of prion disease transmission EXCEPT ________.
A. inheritance (genetic) B. contamination through use of inadequately processed surgical instruments C. organ or tissue transplantation D. ingestion of infected tissue E. inhalation (airborne)
_______ is the main sugar transported in phloem; plant biologists think it is less vulnerable to ________ than monosaccharides.
A. Glucose; metabolic breakdown B. Sucrose; phloem loading C. Sucrose; metabolic breakdown D. Glucose; guttation