Negative feedback systems are responses in your body that happen in order to maintain homeostasis and balance within a system. One example of negative feedback system is thermoregulation. If we did`nt have that, the temperature of our organisms would change drastically and it could cause bad consequences for our health and body functioning. The correct answer is letter A: Negative feedback systems allow humans to regulate ans stabilize their systems.
Answer:
It’s a protein macromolecule
I would include
- The nucleus: contain genetic info
- Lysosome: clean up things
- Mitochondria: ATP factory
- Ribosome: make protein
- Cell membrane and Cell Wall: maintain and shape the cell etc
Those characteristics are cellular organization, reproduction, metabolism, homeostasis, heredity, response to stimuli, growth and development, and adaptation through evolution. Some things, such as a virus, demonstrate only a few of these characteristics and are, therefore, not alive.
Sister chromosome exchanges are recombination events that occur between homologous chromosomes and are often the result of exposure of the cell to DNA damaging agents.
Cross over, or recombination, is the exchange of chromosome segments between non sister chromatids in meiosis. Crossing over creates new combinations of genes in the gametes that are not found in either parent, contributing to genetic diversity.
