Examlex
Which of the following contains only nonpolar bonds?
Primary
First in order, rank, importance, or relating to the initial stage of a process or sequence.
Enzyme
An organic catalyst (usually a protein) that accelerates a specific chemical reaction by lowering the activation energy required for that reaction.
Chemical Reactions
Processes that involve the rearrangement of molecular or ionic structure of substances, resulting in new products with different properties.
Transport Protein
A protein that aids in the movement of substances across a cell membrane.
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