Amino acids are delivered in their appropriate order by
A) mRNAs.
B) RNA-induced silencing complexes (RISC).
C) ribozymes.
D) rRNAs.
E) tRNAs.
E
You might also like to view...
Consider the cell cycle of a human cell. During G2, what is the state of the homologous chromosomes?
A. The homologous chromosomes are lined up on the equator of the cell. B. The homologous chromosomes have all been copied through DNA replication and are beginning to condense. C. The homologous chromosomes have been pulled to their respective poles by the spindle apparatus. D. The homologous chromosomes have not been replicated yet. E. The homologous chromosomes are now in the haploid or n condition.
The ectodysplasin gene of stickleback fish in fresh and salt waters provides a good example of pleiotropy, because it ________
A) affects both growth rate and bony armor of a stickleback B) includes a DNA-binding homeodomain C) has been duplicated repeatedly to create a whole family of variants D) has been transferred from another organism E) allows different populations of stickleback to interbreed
The studies of alkaptonuria provided the first evidence of a connection between genes and metabolism. Who conducted these studies?
a. Archibald Garrod b. Watson and Crick c. Frederick Griffith d. Beadle and Tatum
Which is not true of medical errors?
A) They can be the result of faulty equipment. B) They can be the result of an incorrect lab test. C) They are always the fault of the physician. D) They are the third leading cause of death in the United States.