The strand of RNA moves to the ribosome. The DNA double helix unzips.

The strand of RNA leaves the nucleus.

A protein is produced.

A strand of RNA is made from a strand of DNA.

(! ) what’s fracking and what does it have to do with carbon, carbon dioxide, or fossil fuels?

Blood has traveled from the heart to the toes. which describes the next step of the circulation process?

Identify the type of energy used in each action. the flexing of an arm muscle: a signal transduction process by a neuron: a ball at the top of a hill: 1. electrical energy 2. mechanical energy 3. gravitational potential energy