Which subatomic particles make up most of the mass of the atom? 1. protons and neutrons 2. protons and electrons 3. neutrons and electrons 4. neutrons and positrons?

Ageologist determines that a sample of a mineral cant be scratched by a steel nail but can be scratched by a masonry drill bit based on this information the sample mineral has to be softer than

What are the result of when individual components in an organism interact with others to create noval stucture and function called

Which of the following statements is true? a. there are more chromosomes in an organism than there are genes. b. there are more genes in an organism that there are chemical bases. c. dna is made of sugar, phosphate, and carbon. d. genes are found in specific locations on a chromosome.