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In order to show that DNA in cell extracts is responsible for genetic transformation in Streptococcus pneumoniae, important corroborating evidence should indicate that _______ also destroy transforming activity.
a. enzymes that hydrolyze proteins
b. enzymes that hydrolyze DNA
c. enzymes that hydrolyze polysaccharides
d. temperatures high enough to kill cells
e. enzymes that hydrolyze RNA
Obsessions
Persistent, unwanted thoughts, images, or urges that cause significant anxiety or distress.
Motor Impulses
Nerve signals that initiate muscle contractions, leading to voluntary or involuntary movements.
Obsession
A state in which someone thinks about someone or something constantly or frequently especially in a way that is not normal.
Phobia
An irrational and excessive fear of an object, situation, or activity that causes avoidance and distress.
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