Shira listed the steps for protein production in cells. 1. A strand of RNA is made. 2. RNA leaves the nucleus. 3. RNA moves to the ribosome. 4. A protein is made. Which step is missing? DNA unzips after step 1. DNA unzips before step 1. DNA is replicated after step 3. DNA is replicated before step 3.​

If this plastic cup is heated to its melting point, what will eventually happen to all the particles in the plastic? a. the particles will begin to move enough that they slide past each other. b. bonds will form and the liquid will become a solid. c. the spaces between the particles will get smaller. d. the particles will change state and become a crystalline solid.

Light traveling in a medium with a refractive index 1.19 is incident on a plate of another medium with index of refraction 1.79. at what angle of incidence is the reflected light fully polarized?

The amount of work done is determined by 2 factors. describe an example of work (using the scientific definition) list the 2 factors that determine the amount of work done.