HELP PLEASE FAST 1. What is one of several different forms of a gene found at the same place on a chromosome?
1.genotype
2.phenotype
3.allele
4. mutation

Which is an important function of normal flora? a. aid with bone marrow production. b. crowd out pathogenic bacteria. c. destroy digestive track pathogens. d. manufacture iron in the bloodstream.

Which organelle breaks down sugar molecules that supply energy to the cell ?

The scales shown in the introduction measure mass, or the amount of matter in a particular object. the scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. did the simulation support this scientific law? explain why or why not.