What Would You Find in the Heart of Most Reptiles

question 42

Multiple Choice

What would you find in the heart of most reptiles?

• A)one atrium and one ventricle
• B)two atria and one ventricle
• C)one atrium and two ventricles
• D)two atria and two ventricles
• E)two atria and a partially divided ventricle

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Definitions:

Transport Proteins

Proteins involved in the movement of ions, small molecules, or macromolecules, such as another protein, across a biological membrane.

Membrane

A biological barrier that controls the passage of substances in and out of cells and organelles.

Receptor

A protein molecule that receives chemical signals from outside a cell.

Tertiary Structure

Refers to the three-dimensional shape that a protein assumes after it folds, contributing to its functional properties.