At the Southern Extent of a Poikilotherm Species' Range

question 5

Multiple Choice

At the southern extent of a poikilotherm species' range

• A) The species probably will reproduce in summer
• B) The species' survival will be at its limit in winter
• C) The species will never survive
• D) The species probably will reproduce in winter

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Definitions:

Codons

are sequences of three nucleotides in mRNA that specify the addition of a specific amino acid to a polypeptide chain during protein synthesis.

Okazaki Fragments

Short DNA sequences synthesized on the lagging strand during DNA replication, later joined to form a continuous strand.

Leading Strand

The DNA strand that is synthesized continuously during DNA replication, guided by the replication fork movement.

DNA

Deoxyribonucleic acid, a molecule that carries the genetic instructions used in the growth, development, functioning, and reproduction of all known living organisms.