A Student Forgot to Label a Beaker Containing a DNA

question 20

Multiple Choice

A student forgot to label a beaker containing a DNA solution and a beaker containing a glucose solution. If chemical analysis was performed to identify the contents of each beaker, which of the following would be found in the beaker of DNA but not in the beaker with glucose?

• A) Fatty acids
• B) Hydrogen and oxygen atoms
• C) Nitrogen and phosphorus
• D) Carbon atoms
• E) Amino acids

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Definitions:

Brainstem

The part of the brain that connects the cerebral cortex to the spinal cord, controlling vital functions like heartbeat and breathing.

Cerebrum

The largest part of the brain; it mainly includes the cerebral hemispheres.

Spinal cord

The cylindrical bundle of nerve fibers and associated tissue that is enclosed in the spine and connects nearly all parts of the body to the brain.

Frontal lobe

The part of the brain located at the front of each cerebral hemisphere, associated with reasoning, motor skills, higher level cognition, and expressive language.