The list which correctly summarizes the main functions of proteins in the human body is the last one - p<span>owering movement, structural support, hormone production, antibody and enzyme production.
Skeletal muscles are responsible for movement and those muscles are made of protein. </span>
The answer is, "Iron and Nickel".
The primary function of the active site of an enzyme is to catalyze the reaction associated with the enzyme (Option c). It is a fundamental structure in the enzyme.
<h3>What is the active site of an enzyme?</h3>
The active site of the enzyme is It is a fundamental structure in the enzyme that has catalytic activity.
The active site of the enzyme is a site that binds to the substrate to form the enzyme-substrate complex.
The formation of this complex leads to the generation of one or more products of a given chemical reaction.
Learn more about enzymes here:
brainly.com/question/1596855
Answer;
-Simple squamous epithelium
Explanation;
-Simple squamous epithelium is the single layer of thin, flat cells that line body surfaces which are not exposed substantially abrasive forces. The primary function of the columnar cell is that secretion and absorption simple squamous epithelium a single layer flat scale shaped cells.
-Simple squamous epithelium lines the air sacs, or alveoli, of the lungs. The alveoli are sites where air is exchanged in the lungs. Simple squamous epithelial cells in the alveoli allow oxygen from the air to enter the blood in the capillaries of the lung.
In 1665, Robert Hooke observed D. Cell Walls through a microscope!
