The two main processes by which plant cells absorb, release, and use energy are
a) fermentation and respiration.
b) digestion and photosynthesis.
c) photosynthesis and respiration.
d) aerobic and anaerobic respiration.

c.) polymerase chain reaction

- "unlike the original dna fingerprinting method, dna profiling does not use restriction enzymes to cut the dna. instead it uses the polymerase chain reaction (pcr)? to produce many copies of specific str sequences. pcr is an automated procedure that generates lots of copies of a specific sequence of dna."

i believe the answer is a or 1