Which of the following statements regarding the oxygen atom of a water molecule is true?
A) Oxygen is more positively charged than the hydrogen atoms.
B) Oxygen attracts electrons less strongly than the hydrogen atoms.
C) Oxygen is more electronegative than the hydrogen atoms.
D) Oxygen is attracted to the negatively charged atoms of other molecules.
Answer: C
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a. ecological study b. taxonomic study c. anatomical study d. physiological study e. homeostatic study
What organ is responsible for female ejaculation?
A. fundus B. meatus C. vas deferens D. Skene's gland
A. Argue in support of using adult tissue stem cells rather than embryonic stem cells. B. Argue against using adult stem cells rather than embryonic stem cells.
What will be an ideal response?
An axenic culture is one which
A. is obtained from a clinical sample. B. is grown as a broth culture. C. contains only a pure culture. D. contains mixed microbiota. E. contains only pathogens.