Answer: Chromosome
The polynucleotide DNA strands are wrapped on circular proteins called histones which then are condensed into a structure called chromosome.
Answer: Lumpectomy
Explanation: Lumpectomy is procedure in which Cancerous tissues are removed. Lumpectomy is a surgical removal of lump or cancerous tissue of breast tissue usually in the treatment of breast Cancer.
Examples:
Respiratory System, (I think) Organ System, Circulatory System, Nervous System, etc.
This refers to a trait that should be able to be treated with antibiotics but instead the trait has built up a resistance to this trait, sometimes this will even make the trait stronger. This can become fatal if the trait is resistant to all antibiotics available
C Fossils allow scientists to have an idea of the time scale that traits evolved.
