Select the descriptions that apply to all of the following non-hemorrhagic fever diseases: Brucellosis, Q fever, Erlichiosis, and Rocky Mountain Spotted fever. A. Caused by a gram-negative rod.
B. Doxycycline is used for treatment.
C. Bacterium causing the disease is transmitted by a vector.
D. Vaccines are available.
E. Cause capillary fragility.

Options A, B,C.

Explanation:

Non hemorrhagic fever diseases are caused by bacteria especially gram negative bacteria and these diseases are associated with fever.

Brucellosis is caused by brucella species which is gram negative present in unpasteurized diary products.

Rocky Mountain spotted fever is spread by tick bites which is a vector that carries Rickettsia bacteria.

Q fever is caused by Coxiella burnetii bacteria which affect ruminants and humans get infected by inhaling contaminated dusts.

These diseases can be treated with Doxycycline antibiotics.

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

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the answer is b.) hydrogen bonds between bases.