Explain why a source of nitrogen and glucose was added to the fermenter

What type of organism is a one-celled organism that functions as a single unit? a. bi-celled b. single-celled c. pre-celled d. multi-celled

Hemoglobin is a proton that carries oxygen around the body what is hemoglobin made from

Which statement describes how favorable traits in a population relate to natural selection? they are the only traits that ever exist in the population. they build in the population over time. they are rarely passed on to offspring. they are found only in a few individuals within the population.