Chemicals, secreted by soil fungi, which inhibit the growth of bacteria, are known as _____
A) antibodies
B) aflatoxins
C) hallucinogens
D) antigens
E) antibiotics
Answer: E
Biology & Microbiology
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Why do researchers think the first self-replicating molecule was RNA?
A) RNA is the only type of molecule that can catalyze a chemical reaction. B) RNA can carry information and catalyze chemical reactions. C) Self-replicating molecules of RNA exist today, in human cells. D) Fossil evidence of such a molecule was recently discovered.
Biology & Microbiology
As the average age of the population increases, the incidence of Alzheimer's disease is also expected to increase
a. True b. False Indicate whether the statement is true or false
Biology & Microbiology
cDNA is copied from
A) DNA. B) protein. C) mRNA. D) a pictogram.
Biology & Microbiology
what age is associated with HBV?
What will be an ideal response?
Biology & Microbiology