Match Each Term with Its Definition

question 97

Multiple Choice

Match each term with its definition.
-stop codon

• A)indicates the end for transcription
• B)first codon read in translation
• C)amino-acid coding sequence retained in finished mRNA
• D)indicates the end for translation
• E)control sequence ahead of a transcription unit

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Definitions:

Ventilation

The process of moving air in and out of the lungs, facilitating gas exchange with the internal environment.

Gas Exchange

The biological process through which gases (e.g., oxygen, carbon dioxide) are transferred between the blood and the external environment in the lungs.

Bohr Effect

Named for Danish physiologist Christian Bohr (1855–1911). Shift of the oxygen-hemoglobin dissociation curve to the right or left because of changes in blood pH. The definition sometimes is extended to include shifts caused by changes in blood carbon dioxide levels.

Oxygen-Hemoglobin Dissociation Curve

A graph showing the relationship between the oxygen saturation of hemoglobin and the partial pressure of oxygen in the blood.