Why is only one nucleotide added at a time during DNA replication? - to maintain the DNA mutations at an equal rate
- to reduce DNA mutations
- to increase DNA mutations
- to pass DNA mutations to the new cell

answers is to increase DNA mutations

l hope it's helpful for u...

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.

currents is the correct answer.