Which of the following situations is not genetic engineering? A. Producing human antibodies in chicken eggs
B. Inserting the gene for bioluminescence into mice
C. Using yeast to convert sugar into alcohol
D. Modifying rice to produce beta-carotene

C.

Explanation:

It's chemistry, not genetic engineering

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.

1. dermis

2. chemical

3. urine

4. viruses

5. antibodies