Put the steps to produce spider silk protein in yeast in the correct order.

1. purify protein.
2. join yeast regulatory sequence and spider silk coding sequence by using enzymes. 3. insert recombinant gene into yeast cells.
4. use enzymes to remove yeast coding sequence.
5. allow yeast to express spider silk gene.

the atomic number of magnesium is 12. its nucleus must contain 12 protons and no electrons. the atomic number of an atom is determined by the number of protons.

magnesium is an electrolyte injection commonly used to treat low magnesium levels in your blood. it is also used to prevent or control seizures in women with preeclampsia or eclampsia.

they have identical fossils of organisms that have evolved over time.

both have animal fossils preserved in them due to weathering and erosion.

they contain different fossils because life on earth has changed through time.

the fossils in them were formed on the surface of earth due to exposure to sunlight.

answerlength of time the medication is in contact with the skin(moistur level of the skin) depth of respirations blood supply to the area; all of the above; ///