Drugs that kill or inhibit bacteria are known as ________
Fill in the blank(s) with correct word
antibiotics
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Irene knows her blood type is A, but William does not know his blood type. However, William knows that his mother and father both had blood type B. Irene and William's first child is a boy with type O blood. Based on this information, William's blood type could be
A. B only B. either B or O C. O only D. either AB or O E. A only
Septa divide the actinomycete mycelia into long cells each containing several nucleoids.
Answer the following statement true (T) or false (F)
About 12,000 years ago, a mass extinction event occurred and 75% of the world's large mammal species were eliminated. While a small number of cheetahs managed to survive and restore the world's population of cheetahs, this event caused an extreme reduction of the cheetah's genetic diversity. Based on the principles of natural selection, which of the following is a consequence of their reduced genetic diversity?
A. Cheetahs within the same population do not vary in their reproductive success. B. Cheetahs have never fully adapted to the current environment. C. Cheetahs are unable to effectively compete with each other for resources. D. Cheetahs have very little heritable variation, which will make it difficult for them to adapt as the environment changes.
What type of exotoxin causes diarrhea
What will be an ideal response?