Answer:
Endosymbiotic theory deals with the origin of eukaryotes from the prokaryotes through evolution
Explanation:
Endosymbiotic theory states that eukaryotic organelles such as mitochondria, chloroplast are generally evolved from free living bacteria.Mitochondria is originated from proteobacteria and chloroplast is generated from cyanobacteria through symbiosis.
Both mitochondria and chloroplast contain double strand circular DNA and also have their own protein synthesis machinery but most of the mitochondrial proteins are synthesized within nucleus and then transported to the mitochondria.
<span>C. The endangered species was an animal and not a plant </span>
The right answr is hydrogen bonds
The hydrogen bond or hydrogen bridge is an intermolecular force involving a hydrogen atom and an electronegative atom such as oxygen, nitrogen and fluorine. The intensity of a hydrogen bond is intermediate between that of a covalent bond and that of van der Waals forces.
The helices of the DNA (both strands) are maintained by hydrogen bonds.
I do believe it is C hope this helps its been a while since i was leaning about this.....
Answer:
Explanation:
Es un conjunto de mecanismos y órganos, cuya función es proteger al cuerpo humano de las posibles infecciones, ya sean procedentes de virus, bacterias, hongos u organismos invertebrados.
