1.
which of the following is a function of the
nucleus?
(1 point)
ostores dna
ostores sugars
obuilds proteins
opackages proteins

Stores DNA

Explanation: The nucleus is a very important organelle for eukaryotic cells because there is store the DNA that is the genetic material and contains instructions to produce RNA and build proteins. That DNA can be in the nucleus asociated with proteins called hystones and can be relax or condensed and that depends upon the cell cycle.

blah

explanation: bc blah

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.