Since chemoreceptors are found in arthropods, crustaceans, vertebrates and all other animals it is believed that chemoreception is the most primitive sense.
Answer the following statement true (T) or false (F)
True
It is true that chemoreceptors are found in arthropods, crustaceans, vertebrates and all other animals it is believed that chemoreception is the most primitive sense.
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The difference between thermal death time and thermal death point in microbicidal activity is that
A. thermal death time is the shortest amount of time required to kill an organism at a 100oC, whereas thermal death temperature is the lowest temperature required to kill an organism in 10 minutes. B. thermal death time is the greatest amount of time required to kill an organism at a specific temperature, whereas thermal death temperature is the lowest temperature required to kill an organism in 10 minutes. C. thermal death time is the shortest amount of time required to kill an organism at a specific temperature, whereas thermal death temperature is the lowest temperature required to kill an organism in 10 minutes. D. thermal death time is the shortest amount of time required to kill an organism at a specific temperature, whereas thermal death temperature is the lowest temperature required to kill an organism in 30 minutes.
Antibiotics can destroy bacteria because they interfere with the production of ____________
in the bacterial cell.
a. cell walls b. DNA c. ribosomes d. More than one of these answers is correct
If a population has an allele frequency of 1.0, you would say that
A) the allele frequency is ideal. B) genetic variation of that allele is low. C) genetic variation of that allele is high. D) that allele is under selection.
How does a prokaryotic cell differ from a eukaryotic cell?
a. A prokaryotic cell has no membrane-enclosed organelles. b. A prokaryotic cell has a plasma membrane. c. A prokaryotic cell contains organelles. d. A prokaryotic cell has a nucleus. e. A prokaryotic cell has DNA.