Which statement is not true about chronic persistent viral infections?
A) May involve integration of the virus into the host cell DNA to form a provirus.
B) May involve periods of flare-up where the virus is actively replicating alternating with periods of dormancy.
C) Small numbers of virions may be produced and released from host cells during the quiet periods.
D) The immune system fails to clear the infection.
E) A period of quiet infection where the host is asymptomatic is followed by a period of active viral replication.
Answer: B
You might also like to view...
Which statement about promoters is true?
a. They are long sequences in DNA. b. They are locations in DNA where regulatory proteins do not gather. c. They control transcription. d. They are associated with all genes. e. They slow the rate of transcription.
Plants absorb small amounts of carbon from the soil in the form of simple sugars or monosaccharides
Indicate whether the statement is true or false
The structures and processes in a society that authoritatively make and carry out the society's policies and rules are referred to as:
A) ideas. B) ideologies. C) businesses. D) governments.
T or F: the knee has 2 degrees of freedom
What will be an ideal response?