It is not a mystery it is the gas piping out of your joint when you pop them if you push down on them. If you pull on your fingers then it is your joint being pulled out and put in. If you push on your fingers it is better than pulling because pulling can cause joint damage.
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:
Explanation:
Paleontologists are scientists that use fossil records to study the history of life on earth. They use known evidence/fossils such as bones, prints (on land or sea), dead remains to determine evidence and history of past life on earth.
Some of there observations include the use of comparative anatomy to determine possible evolution. They also use carbon dating to determine approximately how long a fossil/bone has been in existence.
The response of the body's homeostatic control systems to large increases in muscle O₂ requirements during heavy exercise is the increase in body's pulmonary ventilation.
Homeostasis is the state of balanced internal system of the body. A homeostatic body does gets affected by the outer environment as it adjusts itself accordingly. The state of homeostasis can be in terms of thermoregulation, blood glucose regulation, osmoregulation, etc.
Pulmonary ventilation is the process of inhalation and exhalation of air. This is done to fulfil the demand of oxygen in the body and also to remove the waste carbon dioxide from the body. Pulmonary ventilation in simple terms is breathing.
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