Answer: Prokaryotes are single-celled organisms that lack a nucleus. They also lack other membrane-bound organelles.
C. natural selection.
This is because in smaller populations the more that two separate groups of animals don’t interbreeding the father they become until speciation occurs where they cannot interbreed between the two groups.
Answer:
Squirrels will emigrate and leave the population.
Explanation:
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1.- b. Change in color.
It's change in color because the other can happen by via a physical change.
2.- d. A metal is added to an acid and hydrogen gas is formed.
A chemical change results in change of an object chemical structure being disrupted or altered.
Answer:
As the transcription process proceeds, a variety of secondary structures forms by the nascent RNA. t takes place due to the fact that portions of the transcript as complementary base pairs form.
The transcript could be pause but terminate, the hairpin loop causes RNA Pol to pause. There are two different ways to terminate transcription in prokaryotes
- intrinsic termination: in this no external factors required
- Rho protein termination: binds to end of msg and moves along by ATP hydrolysis to catch up (rho is faster)