Answer:
To verify their results
Explanation:
if they didn't then people wouldn't believe them and they would have no reason to
Functions of cell surface Receptors .
most ligands responsible for cell-cell signaling ( including neurotransmitters, peptide, hormones, and growth factors) bind to receptors on the surface of their target cells.
Sarcoidosis can<span> easily be </span>mistaken for other systemic and especially metastatic disease.
Metastatic disease is w<span>hen many cancer cells are found in one or more nearby lymph nodes, it is known as regional </span>disease<span> or stage III cancer. Cancer cells can travel to lymph nodes far from the primary tumor or to other organs or tissues in the body, where they collect to form a </span>metastatic<span> tumor.</span>
<span>Answer: a. Citizens over the age of 65 use social media primarily to follow the activities of their families. </span>
<span>More than half of the citizens over 65 say that they have a social media account. They read other postings but post information about one-fifth as often as they read posts. Most of their feeds consist of posts by relatives. From this passage, we can logically say that Citizens over the age of 65 know how to use the social media and they use it primarily to follow the activities of their families. </span>
