Multiple Choice
Frederick Griffith conducted experiments where nonlethal bacteria acquired the ability to cause lethal pneumonia due to the presence of an unknown chemical. This chemical was later found to be
A) RNA.
B) a protein.
C) DNA.
D) nonhereditary material.
E) phosphorus.
Correct Answer:

Verified
Correct Answer:
Verified
Q18: Normal human body cells contain how many
Q19: In a DNA double helix, each loop
Q20: Why is it important that DNA replication
Q21: DNA evidence is sometimes used to address
Q22: Dr. Marilyn Menotti was trying to identify
Q24: Which is not true of DNA replication?<br>A)It
Q25: What was the significance of Griffith's and
Q26: DNA replication occurs<br>A)during cell division.<br>B)continuously.<br>C)before cell division.<br>D)only
Q27: It is discovered that a chromosome from
Q28: The structure of DNA was determined primarily