A vegetative cell becomes a sporangium with a developing prospore. How many endospores are formed from each vegetative cell?
A) One endospore
B) Two endospores
C) Four endospores
D) Eight endospores
A) One endospore
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The processing of sensory input in animals leads to ____
a. an adaptation b. a sensation c. an action d. feeling exactly what is happening at the site e. responding to the stimulus
As climate change continues, the prevalence of vector-borne disease has increased. Why is this?
A. Diseases are more contagious in warmer weather, so as climates have warmed, vector-borne diseases spread faster. B. The bacteria and viruses that cause disease multiply more rapidly in warmer weather, so as climates have warmed, the pathogens that cause disease are more prevalent. C. As climates have warmed and winters have become less severe, the range of mosquitos and ticks has increased, bringing with them the diseases they carry. D. As climates have changed, habitats have changed. Organisms that carry disease have been displaced from their original habitats and have found new habitats, bringing the spread of disease with them.
Which fermentation product is important for making bread rise?
A) ethanol B) CO2 C) lactic acid D) hydrogen gas
Which intracellular bacterium is the cause of Q fever?
a) Burkholderia pseudomallei b) Rickettsia rickettsii c) Legionella pneumophila d) Coxiella burnetii