Describe at least two similarities and two differences between photosynthesis and cellular respiration.

Diffusion and osmosis are forms of passive transport

Which term describes a normal value for something in the body? a.homeostasis b.set point c.feedback loop d.integration center

What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna