Which best describes organelles? Provide protection for the cell

Provide machinery for the cell

Provide ribosomes for the cell

Provide structure for the cell

Number and variety of living organisms includes genetic, species, and ecological types

Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different

In an hydrogen ion pump the energy is used to join small molecules together to make larger ones which factor most likely has the greatest effect on the number of molecules mitochondria can produce