Bacteria are the simplest single cells that a. include all cell parts and organelles b. carry out all basic life activities c. are highly organized d. all have the function

Which of the following is not a way in which a vascular plant's xylem and phloem are similar?

Match the functions to the cell types ? contraction and relaxation. conducting electrochemical signals fighting diseases carrying genetic material

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