You work for a company that manufactures food products. A new "wonder food" is being distributed by a rival company. The researchers in your company determine that the "wonder food" contains only carbon, oxygen, and hydrogen. At this point, your
researchers can say with certainty that the food
A) includes proteins.
B) could only be made of triglycerides.
C) could only be made of carbohydrates.
D) does not include proteins or nucleic acids.
Answer: D
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Vascular bundles primarily contain ________
a. pith and cortex b. epidermis c. parenchyma d. xylem and phloem
Briefly describe 3 ecological roles of viruses
What will be an ideal response?
Bristle worms are found primarily in marine environments and characteristically have parapodia. Which class do they belong to?
a. Cestoda b. Oligochaeta c. Hirudinea d. Polychaeta
Cilantro tastes soapy to some people because
A) there is genetic variation in at least one of the three types of receptors needed to perceive a nonsoapy flavor. B) they are not an identical twin. Only identical twins detect a soapy flavor in cilantro, while all other people do not detect this soapy flavor. C) their ancestors did not live in cultures where cilantro was a common ingredient in the cuisine. D) they were not raised in an environment where cilantro was a common ingredient in the cuisine.