Answer:
D. cell is the smallest part of an organism.
as cell is basic functional and structure of life.
Answer: enzymes change the Keq for chemical reactions.
Explanation: many enzymes change shape slightly when substrate binds. reactions occur at the "active site" of enzymes, where a precise 3D orientation of amino acids is an important feature of catalysis.
Six <span>characteristics are used to describe living things.
</span>To be considered alive, an object must exhibit all of the characteristics<span> of
</span>living things<span>.</span>
B. 6