According to the most widely accepted hypothesis, the origin of the nuclear genome involved
A. an endosymbiotic relationship between an archaeon and a bacterium.
B. an endosymbiotic relationship between two archaeons.
C. an endosymbiotic relationship between two bacterium.
D. a symbiotic relationship between an archaeon and a bacterium.
E. a symbiotic relationship between two archaeons.
A. an endosymbiotic relationship between an archaeon and a bacterium.
You might also like to view...
Why is one side of a single water molecule partially negative while the other side is partially positive?
A. Electron pairs are unevenly shared between the oxygen atom and the two hydrogen atoms. B. Electron pairs are unevenly shared between the two hydrogen atoms. C. Hydrogen donates its electrons to oxygen. D. Oxygen donates its electrons to hydrogen.
Seedless vascular plants found in deserts do not require water for sperm to swim to eggs
Indicate whether the statement is true or false.
A zombie apocalypse wipes out almost the entire human species before the zombie threat is eliminated. Only a group of 100 people who were at a family reunion on an uninhabited island survived. They returned to the mainland completely unaware of what had happened to everyone. Answer the following question(s) regarding the few survivors who now begin to rebuild the human population.Despite an abundance of habitat, why will it be difficult for the human species to recover?
A. Related humans are not able to reproduce. B. The reduced genetic diversity will make it difficult for the population to adapt to new diseases or other environmental changes. C. Modern humans lack the ingenuity needed to survive without an extended social network. D. The founder effect will slowly kill off the survivors in a small population.
What is the main role of red blood cells?
A) Carry sugars B) Carry oxygen C) Fight off infections D) Aid blood in clotting