Thgenetic Code

question 95

Multiple Choice

Thgenetic code

• A)is universal for all organisms.
• B)is based upon 64 codons made of sequences of three nucleotides.
• C)also comes equipped with stop codons.
• D)is redundant; that is, most amino acids have more than one codon.
• E)is true of all of these.

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Definitions:

Pulmonary Artery

Blood vessel that transports oxygen-poor blood from the heart to the lungs.

Alveolus

The tiny, air sac structures within the lungs where gas exchange with the blood takes place, vital for breathing and oxygenation of blood.

Bronchiole

In terrestrial vertebrates, small tube that conducts air from a bronchus to the alveoli.

Trachea

The windpipe, a large tube that connects the larynx to the bronchi of the lungs, allowing for air passage.