If heart muscle is deprived of oxygen for too long, it will start to die through a process called a. lymphedema. b. arrhythmia. c. atherosclerosis. d. infarction

Wich organism obtains its energy from dead or decaying matter

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

Which best describes a benefit of using dna technology in medicine? a) medicine can be produced in mass quantities. b) medicine can be distributed at a reduced cost. c) medicines have fewer side effects. d) medicines are resistant to antibiotics.