A single nucleotide is inserted into the 20th codon of a gene encoding a protein 500 amino acids in length. Which one of the following is most likely to occur?
a. the mRNA encoding the mutant protein will not be translated
b. a protein 500 amino acids in length in which only one amino acid is changed will be produced
c. a protein identical to the wild type protein will be produced
d. a protein in which amino acids following the site of the insertion are changed will be produced
Ans: d. a protein in which amino acids following the site of the insertion are changed will be produced
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An agent that increases mutation rate is a ____
Fill in the blank with the appropriate word.
Which of the following statements about Kingdom Animalia is/are FALSE?
a. Diversification of animals is due in large part to motility. b. Diversification of animals is due in large part to predator prey interactions. c. Diversification of animals is marked by the evolution of specialized tissues and organ systems as well as complex behaviors. d. Vertebrates encompass only a small fraction of total animal diversity. e. All of these are true statements.
An enzyme's function is most dependent on its ________
A) pH B) temperature C) shape D) size
Infection with ________ produces symptoms similar to RMSF, except for the rash, making it difficult to diagnose.
A. Anaplasma phagocytophilium B. Chlamydophila psittaci C. Chlamydia trachomatis D. Treponema carateum E. Vibrio vulnificus