In All Chordates, the Notochord

question 11

Multiple Choice

In all chordates, the notochord

• A) may or may not appear at all; it is not found in all chordates.
• B) appears only in adults.
• C) appears only during early stages of development.
• D) appears at least during early stages of development.
• E) is found throughout the life cycle.

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Definitions:

Culture Media

Nutrient-rich substances used in laboratories to grow and maintain microorganisms, cells, or plant tissues under controlled conditions.

Gram Positive

Refers to bacteria that retain the crystal violet stain used in Gram's method of staining, indicating a thick peptidoglycan cell wall.

Gram Staining

A laboratory technique used to classify bacteria into two groups (Gram-positive and Gram-negative) based on the biochemical properties of their cell walls.

Microorganisms

Microscopic entities, including bacteria and viruses, that may cause infectious diseases but also play essential roles in ecosystems.