The 3 parts that make up an amino acid include the following:
Side Chain - R group
Amino Group or Amine Group
Carboxylic Acid Group
Carboxyl Group.
Stem cells are what allow planaria to grow and regenerate as the stem cells can change into any of the cells that make up the planaria.
Answer:
A. Rheumatoid arthritis is characterized by periods of remission and exacerbation
C. Rheumatoid arthritis can cause fatigue and weight loss
Explanation:
Answer:
5 · every skin cell in a human body
Answer:
C) The allele R' is becoming more common in the population.