Multiple Choice
Bacterial cultures are sometimes exposed to ultraviolet (UV) light in order to generate organisms with new genetic traits.Why do microbiologists choose to use UV light for this purpose?
A) UV light makes all cells antibiotic resistant.
B) UV light has the ability to cause changes in DNA.
C) UV light is the usual source of energy for bacteria, thus giving them more energy for evolution.
D) UV light promotes photosynthesis in bacteria.
Correct Answer:

Verified
Correct Answer:
Verified
Q28: Housekeeping genes<br>A) prevent repressors from binding the
Q29: Along one side of a DNA molecule,the
Q30: Once replication in a DNA molecule is
Q31: Protein is the hereditary genetic material in
Q32: Scientists discovered that Otzi,the 5,200-year-old frozen Copper
Q34: What part of a nucleotide accounts for
Q35: The adenine bases in a DNA molecule
Q36: What is NOT true of the five
Q37: A rapidly dividing cell is exposed to
Q38: Which of the following is NOT true?