In the Fischer Projection of D-(+)-Glyceraldehyde, the Hydroxyl Group on the Asymmetric

question 55

Multiple Choice

In the Fischer projection of D-(+) -glyceraldehyde, the hydroxyl group on the asymmetric carbon center is ________.

• A) on the bottom
• B) on the top
• C) at the left
• D) at the right
• E) present as a hemiacetal

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Definitions:

Segmental Bronchus

Branches of the bronchial tree that supply air to specific segments of the lung, ensuring efficient gas exchange.

Respiratory Zone

The region of the lungs where gas exchange between air and blood takes place, mainly comprising the alveoli and alveolar ducts.

Tracheobronchial Tree

The branching system of the respiratory tract that includes the trachea, bronchi, and bronchioles, acting as the passage way for air to enter into the lungs.

Tertiary Bronchi

These are smaller airways in the lungs that branch off from the secondary bronchi, leading to the bronchioles.