Variant Creutzfeldt-Jakob disease is caused by a virus.

a. true
b. false


Answer: b. false

Biology & Microbiology

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Epiglottitis is a potentially life-threatening disease because the patient's airway can become completely obstructed (blocked) if not treated. Which bacterium usually causes this disease?

a. Haemophilus influenzae type B b. Corynebacterium diphtheriae c. Streptococcus pyogenes d. Type A influenza virus

Biology & Microbiology

The depth distribution of algae is limited by:

a. temperature. b. pressure. c. pH. d. light quality. e. salinity.

Biology & Microbiology

A mutation in the DNA-binding domain of a steroid hormone receptor is most likely to affect what aspect of receptor function?

A. The binding of the hormone to the receptor B. The cellular response to the hormone C. The translocation of the receptor to the nucleus D. The conformational change of the receptor

Biology & Microbiology

How many ATP and NADH molecules are produced from each molecule of glucose in the citric acid cycle only?

A. 0 ATP, 6 NADH B. 1 ATP, 2 NADH C. 4 ATP, 2 NADH D. 3 ATP, 4 NADH E. 2 ATP, 6 NADH

Biology & Microbiology