A soft drink manufacturer, notorious for making marketing claims that are deceptive but technically accurate, has released a new sports beverage. The advertisements for this beverage assert that it contains an ingredient necessary for life, guaranteed to absorb into cells as fast as, if not faster than, the competition’s sports beverages and is 100% hypotonic. You buy a bottle to test these claims and laugh when you discover what it really is. What are they selling?
a. salt water
b. sugar water
c. purified water
d. corn syrup
c. purified water
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Why did scientists originally believe that proteins, rather than DNA, were the molecules that directed protein synthesis?
A. Proteins were the more complex molecules in which genetic information could be stored. B. Proteins were more likely to have catalytic properties for synthesis reactions. C. At the time, more was known about the structure of proteins than that of DNA. D. Proteins were the same types of molecules as those that were being synthesized.
Which of the following are bone-forming cells?
A. lacunae B. osteoblasts C. osteoclasts D. osteocytes
The process in fungi that allows nutrients to flow from food-absorbing parts of the fungal body to other, nonabsorptive,
parts is referred to as ____.
a. osmosis b. karyogamy c. cytoplasmic streaming d. plasmogamy e. mutual symbiosis
A set of genetic markers located close together on a single ____________________ is called a haplotype. What will be an ideal response?