B because it’s a 1/4 chance
Transposable elements are DNA sequences that contain numerous point mutations. Thus, option "4" is correct.
<h3>What are Transposable elements?</h3>
Transposable elements are fragments of DNA that have the ability to jump from one part of the genome to another. While most of the DNA is always in the same place surrounded by the same neighbouring pieces of DNA, mobile elements move from one place to another causing many changes or mutations.
When a transposon moves through the genome, it can insert into a vital gene, disrupting its function, or into a location near vital genes, causing erroneous activation or inactivation.
On the other hand, there can be chromosomal rearrangements due to transposons of the same family with complementary sequences that are separated in the genome and that by sequence homology match.
This can lead to ectopic recombination. Large-scale rearrangements induced by mobile elements are considered a particular class of recombination events that influence genomic plasticity.
Thus, option "4" is correct.
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Answer:
Drogas.
Explanation:
Las drogas son sustancias que tienen un efecto modificatorio sobre el estado normal de la psique. Por tanto, estas sustancias influyen en el comportamiento o la experiencia del usuario, pudiendo tener un efecto alucinógeno, pero también sedantes o una mixtura entre ambos.
El término se usa generalmente para indicar sustancias que tienen un efecto muy fuerte (por ejemplo, heroína, cannabis, mescalina, alcohol). Aunque los estimulantes cotidianos como el café y el chocolate también pueden tener un efecto en la psique, generalmente no se clasifican como sustancias psicoactivas debido a su efecto relativamente leve.
Los medicamentos que tienen un efecto sobre la psique se denominan psicofármacos. No obstante, los medicamentos que no se clasifican principalmente como psicofármacos, como los antihistamínicos, los agentes anti-mareo y los betabloqueantes, pueden también tener un efecto psicotrópico.
<span>
Urinary
retention - the inability to urinate - is a common post-operative
complication, and can have serious ramifications for patients. Most
specifically, this condition, if allowed to persist, can cause damage to the
bladder, as urine builds up in the organ to dangerously high levels. Retained
urine can also lead to infections, which can cause systemic issues in
patients.
</span>
The correct answer is The cell is prokaryotic because it does not have any membrane-bound organelles.
Explanation:
Prokaryotic cells are different from eukaryotic cells because prokaryotic cells do not have organelles surrounded by a membrane, while eukaryotic cells do. These organelles include a nucleus, ribosome, among others. On the opposite, the DNA material is located inside the cell forming an undefined structure and the cell is protected by the cell wall and the cell membrane. In this context, the cell of the image is prokaryotic because there are no defined organelles inside it.
