*Question*
Q: What can be switched off by a protein called the trp repressor? Choices: - the cytokine - the chaperone protein - the genetic precursor - the operon A:
**Answer**
the operon

*Question*
Q: Plant cuttings are an example of what type of reproduction? Choices: - homosexual - heterosexual - autosexual - asexual A:
**Answer**
asexual

*Question*
Q: Circadian rhythms and migration are examples of what kind of behaviors in animals? Choices: - continual - fluid - finite - cyclic A:
**Answer**
cyclic

*Question*
Q: How is the energy of an atomic orbital affected as the principal quantum number increases? Choices: - it decreases - It doubles - It triples - it increases A:
**Answer**
it increases