How do researchers most often investigate the

role of the gut microbiome?

A. They use adult human subjects.

B. They use clinically depressed patients.

C. They use germ-free mice.

D. They use bacteria models.

A scientist asked a question that was based on observation. Which is the next step the scientist should take

What term describes an organism that carries an allele but does not show its effects

What are some examples of anthropogenic atmospheric particulates? (Site 2)

Eukaryotic cells have many different specialized structures that are involved in making, organizing, and delivering a protein molecule. Describe the four organelles that are involved and the sequence of events of this process.

Before DNA was discovered, in which materials did scientists think the genetic material was stored

What are the weakness and strengths of Behavior

Most glaciers in Alaska are retreating, although the average annual snowfall has increased in the last few decades. What does this tell us about what is happening to sea-level temperature?

Jessi consumes a diet of 1920 total kcalories that has 80 g of fat. what percent of jessi's diet comes from fat? (give answer to the appropriate reporting digit. only give the value. do not include the term percent or its abbreviation.)

Scientists break down evolution into catogories

The process of sediments being compacted and cemented to form sedimentary rocks is called A. metamorphism. B. deposition C. crystallization D. lithification