Intramolecular protein splicing results in the formation of the final protein and the
A) protease.
B) proteasome.
C) inteins.
D) exteins.
E) None of these.
Answer: C
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Which of the following was first produced commercially using recombinant DNA technology?
A. hepatitis B vaccine B. interleukins C. human insulin D. human growth hormone
The following progression is based on the article listed below. Fortune, E.S., Chacron, M.J. (2009). From molecules to behavior: Organismal-level regulation of ion channel trafficking. PLoS Biol 7(9): e1000211. doi:10.1371/journal.pbio.1000211
Some types of fish generate an electric field around their body that is used for communication with other individuals of the same species (like vocalization in birds). The electric field is generated by electric organ cells, which are modified muscle cells. This reflects the fact that ______________. A. physiological mechanisms are the basis of behaviors B. behaviors are influenced by the environment C. there is a genetic basis to many behaviors D. behaviors develop over time
Which term refers to an electromagnetic radiation that is of the longest wavelength and lowest energy?
a. radio waves b. gamma rays c. UV light d. X-rays
Most hospitals routinely test all newborns for an autosomal recessive disorder in which an enzyme in amino acid metabolism is NOT produced. In this disorder, lack of the enzyme leads to a buildup of compounds that damage brain tissue, possibly leading to mental retardation, unless a restricted diet is followed. What is the name of this disorder?
a. Duchenne muscular dystrophy b. achondroplasia c. sickle cell anemia d. phenylketonuria