Selectins …

question 44

Multiple Choice

Selectins …

• A) mainly mediate cell-matrix attachments.
• B) are members of the Ig superfamily of cell adhesion molecules.
• C) do NOT require Ca²⁺ for their adhesive function, unlike integrins.
• D) are carbohydrate-binding proteins.
• E) All of the above.

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Definitions:

Hybridization

The process of mixing atomic orbitals into new hybrid orbitals suitable for the pairing of electrons to form chemical bonds in molecular compounds.

Acetaldehyde

A volatile, colorless, and flammable liquid with a pungent smell, used as a precursor to various chemicals and in the synthesis of drugs.

OCH Bond Angle

The angle formed between an oxygen, carbon, and hydrogen atom within a molecule, important for determining molecular geometry.

Cis-trans Isomers

Molecules with the same molecular formula but differing in the spatial arrangement of atoms or groups around a double bond or ring structure, leading to distinct properties.