Which Region of the Brain Appears to Have the Oldest

question 7

Multiple Choice

Which region of the brain appears to have the oldest evolutionary history?

• A) hypothalamus
• B) limbic system
• C) brainstem
• D) hippocampus

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Definitions:

Leading Strand

The leading strand is the strand of DNA which is synthesized continuously during DNA replication, in the direction of the replication fork.

Polynucleotide Strand

A polymer consisting of many nucleotide units, constituting a portion of a nucleic acid molecule.

Nucleotides

The building blocks of nucleic acids like DNA and RNA, consisting of a sugar, a phosphate group, and a nitrogenous base.

Okazaki Fragments

Short sequences of DNA nucleotides which are synthesized discontinuously and later linked together to form the lagging strand in DNA replication.