DNA is a nucleic acid polymer composed of wh
nucleotides
phosphate groups
ribosomes
proteins

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false

Control of the body is accomplished by which of the following body systems? nervous system and circulatory system endocrine and repertory system circulatory and respiratory systems nervous system and endocrine systems

Which of the following statements about archaea and bacteria is true? a. neither is single-celled. b. they both have nuclear membranes. c. neither reproduces by binary fission. d. they both lack a nuclear membrane.