The high specific heat and surface tension of water are a result of:
A) covalent bonds between water molecules.
B) ionic bonds.
C) hydrogen bonding between water molecules.
D) covalent bonds within the water molecules.
E) the size of water molecules.
Answer: C
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In 1927, the U.S. Supreme Court upheld the right of states to use ____________________ as a means of preventing reproduction by those deemed "unfit."
Fill in the blank(s) with correct word
A male who inherits an extra X chromosome will have
A. Klinefelter syndrome. B. Turner syndrome. C. Down syndrome. D. Polyploid syndrome. E. Edward syndrome.
Which of the following cannot be addressed directly using biotechnology?
a. determining DNA profiles from a crime scene b. inserting a gene into a person to replace a defective gene c. examining the moral implications of inserting pesticide genes into crop plants d. using bacteria to produce products such as insulin and human growth hormone
The accumulation of free oxygen in the atmosphere ____
a. was a result of the accumulation of a byproduct of a type of photosynthesis b. caused the further spontaneous generation of life c. provided the opportunity to extract more energy through anaerobic respiration d. occurred immediately after the earth was formed e. allowed for DNA to replace RNA as the primary data storage molecule