Answer:
Scientists have identified a key difference in the way our immune systems respond to viral and bacterial pathogens. ... These hormone-like molecules control communication between cells to trigger defensive action by the body's immune system when pathogens such as bacteria, viruses, or parasites are detected.
Explanation:
Answer:
not one ... many online XD
photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy.
1.Cells are the basic unit of structure and function in all living things.
2.New cells are produced by existing cells.
3.All living things are made of cells.
Answer:
The hypothalamus is the part of the brain that controls hunger
Prokaryotes only: cell wall contains peptidoglycan or pseudomurein; binary fission; 70S ribosomes; singular circular chromosome.
Eukaryotes only: 80S robosomes; membranous organelles, including mitochondria, lysosomes , endoplasmic reticuum; nuclear envelope compartmentalizes the chromosomes.
Both prokaryotes and eukaryotes: has both DNA and RNA; plasma membrane encloses the cytoplasm; <span>includes unicellular cells.</span>