Answer the following questions true (T) or false (F)

1. Septic shock can cause disseminated intravascular coagulation that blocks blood flow and promotes organ failure and tissue necrosis.

2. Dengue fever, yellow fever and malaria are all caused by different RNA viruses.

3. Polyarthralgia is a condition experience by patients with dengue fever.


1. TRUE
2. FALSE
3. FALSE

Biology & Microbiology

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When is a bacterial cell more likely to be phagocytized?

A) when antibody binds antigen on its surface B) when compliment binds an antigen-antibody complex C) when antibody recognizes self antigens D) after antibody class-switching

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Embryonic development begins with a single egg fertilized by a single sperm forming a zygote. The

zygote then undergoes mitosis; how many cells would be present at the conclusion of 4 mitotic divisions?

a. 2 b. 4 c. 8 d. 16 e. 32

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Which of the following is NOT involved in the regulation of the lac operon?

A) an inducer B) a repressor protein C) an iRNA D) glucose E) cyclic AMP

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Recombinant DNA only occurs when you take DNA from another organism and insert it into a bacterium

A. true B. false

Biology & Microbiology