Examlex
The protein-fat compound that reduces surface tension and keeps the walls of the alveoli from collapsing is called ________.
Phosphodiester Bonds
chemical bonds that link nucleotides together in DNA and RNA, forming the backbone of these molecules.
Sugar
A category of soluble, sweet-tasting carbohydrates found naturally in foods, used primarily for energy in living organisms.
Phosphate
A chemical compound containing the phosphate ion, involved in energy transfer and storage in biological systems.
Backbone
The spine or vertebral column; a series of connected bones or vertebrae that provide structural support and protection to the spinal cord in vertebrates.
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