Which sentence best explains why scientists continually make incremental adjustments to their theories?

Describe how a student should adjust the microscope to see the cells on a slide more clearly?

Which of these has happened to your food by the time it reaches your small intestine? a. all the macromolecules have been broken down completely. b. lipids and starches have been partially broken down. c. starches and proteins have been partially broken down. d. proteins and lipids have been broken down into subunits.

Asegment of dna that codes for rna and a protein is a