The testing of a hypothesis in duplicate with only one factor being different
controlled experiment
2. an assumed explanation for a problem
hypothesis
3. a recognized means of inquiry to provide scientific answers to questions
scientific method
4. supported by evidence gathered over a period of time
theory

Which of the following matches the organisms described with the correct domain? a. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycanb. archaea--multicellular, eukaryotic organisms that do not have cell wallsc. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sourcesd. bacteria--unicellular, eukaryotic organisms that always lack cell walls

Plz ! a scientist wants to produce a cow that makes a particular human protein in it’s milk the desired protein causes blood to clot and can be used to treat hemophilia (a blood clotting disorder). which of the following would be best for the scientist to use? a. genetic crosses. b. cloning. c. selective breeding. d. genetic engineering.

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?