Interferons alpha and beta are effective against viruses.
Answer the following statement true (T) or false (F)
True
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Many breast cancers are associated with mutations in the BRCA1 gene. Explain the difference between sporadic and
familial breast cancer caused by this gene at a molecular level.
What will be an ideal response?How does a positive regulator affect transcription by RNA polymerase in prokaryotes?
A) by allowing passage of the polymerase through an operator B) by interacting with RNA polymerase to increase the frequency of transcription initiation C) by causing the helix to unwind in the operator allowing easier initiation D) by making the transcription start site more exposed to the polymerase
What is the purpose of the last stage of the citric acid cycle?
a. to replenish the supplies of NAD+ and FAD b. to break down glucose into a three-carbon molecule c. to regenerate oxaloacetate to attach to another acetyl molecule d. to produce ATP by substrate-level phosphorylation
Which of the following is NOT part of the inflammatory response?
A) Localized tissue swelling B) The release of histamine C) Migration of phagocytes to the site of injury D) The release of antibodies E) Elevated body temperature