Answer:
b. all three pathogens are obligate anaerobes.
Explanation:
Tetanus is caused by an <u>exotoxin</u> produced by the bacterium <em>Clostridium tetani</em>, which is normally f<u>ound in the soil</u>, although it may be present in the intestines of mammals. It is an <u>anoxic and spore-forming bacteria</u>. It enters the body through wounds or deep punctures, finding in the wound the anoxic conditions to germinate its spores, producing its potent toxin.
Anthrax is caused by the bacterium <em>Bacillus anthracis</em>, which is a stationary and <u>endospore-forming </u>bacteria that is resistant to high temperatures and chemicals. It is a <u>strictly aerobic</u> bacterium and can be <u>found naturally in the soil</u>. Both animals and humans can breathe or ingest spores of this bacterium by consuming meat or contaminated water. When spores get into the body, their turn into active cells and <u>produce exotoxins</u>
Botulism is caused by the pathogen <em>Clostridium botulinum</em>, a s<u>trict anaerobic</u> bacillus, producing <u>endospores and 8 different types of toxins</u>. Being a <u>soil-borne bacterium</u>, it usually appears in the food of animal and vegetable origin.
Answer:
I'd choose the Great Chilean earthquake (Gran terremoto de Chile) which occured on 22. May 1960. whose epicenter was near Lumaco, approximately 570 kilometres (350 miles) south of Santiago.
Explanation:
Because it is the most powerful earthquake ever recorded. Various studies have placed it at 9.4–9.6 on the moment magnitude scale. The resulting tsunami affected southern Chile, Hawaii, Japan, the Philippines, eastern New Zealand, southeast Australia, and the Aleutian Islands.
Hey there!
Alleles are different forms of the same gene that are always found on the same position of two homologous chromosomes. This means your answer is going to be option A.
Hope this helps.
Have a great day (:
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