Cystic fibrosis is genetic, meaning it can be passed from parent to child. What type of mutation causes cystic fibrosis?

Cystic fibrosis is an inherited disease caused by mutations (changes) in a gene on chromosome 7, one of the 23 pairs of chromosomes that children inherit from their parents. CF occurs because of mutations in the gene that makes a protein called CFTR (cystic fibrosis transmembrane regulator).

Explanation:

hormones in blood stream

image: dtc.ucsf.edu

endocrine glands secrete hormones into the blood stream near them; the hormones then travel in our bloodstream until it reaches its destination, called a target cell, in distance parts of the body. in the target tissue, hormones lock onto the target’s plasma membrane, called the receptor site.

a. by using fur or clothes to trap heat energy near the body