As a cell increases in size..
a- the metabolic rate increases.
b-surface area to volume ratio increases.
c-surface area increases and the volume decreases.
d-volume increases and the surface area increases.

A. The surface area to volume ratio increases

pregnancy happens more and more

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."