What enzyme 'reads' one side of the DNA strand as a template to make an RNA copy? 1. Helicase
2. RNA Polymerase
3. DNA Polymerase
4. The Ribosome
5. All of the above

Embryonic stem cells are cells derived from an embryo. these cells can be used to create new tissues for patients suffering from certain illnesses and disorders. which statement best summarizes why the use of embryonic stem cells could be seen as unethical?

Darius is observing a family of geese, which includes a male goose, female goose, and several goslings. when a dog approaches the geese, the male goose hisses at the dog and flaps its wings threateningly. is the behavior of the male goose an example of an adaptation?

Which blood cell spend most of their time in the lymphatic system?