What evolutionary role is served by the redundancy of the genetic code? What will be an ideal response?
Concepts to Consider: The redundancy of the genetic code may serve to decrease the likelihood of
mutations that could alter the resultant proteins.
You might also like to view...
The "X" shaped chromosomal hereditary material can be packaged in this organelle in eukaryotic cells but not in prokaryotic cells. This organelle is the:
A. ribosomes. B. mitochondria. C. nucleoid. D. chloroplast. E. nucleus.
Viruses that kill their host cells during each cycle of infection are called
a. virulent bacteriophages. b. bacteriophages. c. temperate bacteriophages. d. phages. e. avirulent bacteriophages.
Which of the following is incorrect about experimental variables?
A. In the control experiment, the variable is not altered. B. The independent variable is the one the researcher is able to manipulate. C. When graphing data, the independent variable is always presented on the y-axis. D. The dependent variable is what the investigator measures. E. A valid experiment can only have one independent variable.
The human upper arm bone (the humerus) is structurally similar to the upper wing bone of a bat. The structural similarity is an example of
A) analogous structures. B) mutation. C) vestigial structures. D) homologous structures. E) adaptation.