Only 1- the experiment can not show a cause and effect relationship if there are more than one factors contributing to the outcome.
Answer: E. All of the above are present in liver cells
They lose water by evaporation on their skin and respiratory surfaces
Answer:
Aa
Explanation:
AA or Aa → Enough normal enzyme to make melanin in skin and hair → Normal skin and hair color aa → Defective enzyme for melanin production → Very pale skin and hair color (albino) Page 3 2.
Nucleotides. They are the building blocks of DNA.