From nature's perspective, the most important inheritance a son or daughter receives from their parents is _____.
A) a sense of moral values
B) DNA
C) an appreciation for the value of a college education
D) a strong work ethic
E) their first car
Answer: B) DNA
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Mr. Johnson was becoming slightly deaf. To test his hearing, his doctor held a vibrating tuning fork tightly against Mr. Johnson's jaw. This sent vibrations through the bones of the skull, setting the fluid in the cochlea in motion. Mr. Johnson could hear the tuning fork this way, but not when it was held away from the skull a few inches from his ear. Where was the hearing problem most likely to
be? A. auditory cortex of Mr. Johnson's brain B. auditory nerve leading to Mr. Johnson's brain C. hair cells in the cochlea D. tympanum or the bones of the middle ear E. fluid of the cochlea
Which of the following yields carbon dioxide
during the breakdown of glucose in aerobic respiration? a. phosphoglycerate b. pyruvate c. oxaloacetate d. PGAL e. fructose bisphosphate
Which transport process requires ATP utilization?
a. active transport b. osmosis c. diffusion d. facilitated diffusion e. diffusion through a channel
The source of all carbon in living organisms is
A) simple sugars. B) carbon dioxide from atmosphere and water. C) carbon-fixing bacteria. D) sedimentary rocks.