What is the molecule that is responsible for both the unity and the diversity of life?
What will be an ideal response?
Answer: DNA
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Most of the significant changes in activities and functions that accompany passage through a cell cycle checkpoint are regulated by the:
A. activation of microtubules. B. changes in membrane polarization. C. activation of kinase enzymes. D. activation of DNA polymerase. E. inhibition of cyclin proteins.
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.
An organism that carries DNA from other species is termed
A) transverted. B) translocated. C) transgenic. D) transformed.
A buried skeletal find of a specimen has the foramen magnum tucked beneath the skull; this indicates that the skeletal remains are of a
A. All of the answer choices are correct. B. gorilla. C. human. D. chimpanzee. E. lesser ape.