Bones of dinosaurs are the components of fossil records.
Fossil records are the preserved remains of any organism. These are a very useful source for the study of the organism, its population as well as the environment around it during that time. It also hints about how the evolution might have happened towards the current situation. The examples are bones, wings, feathers, nails, etc.
Dinosaurs are the extinct species that existed during the Mesozoic era. They lived during the Triassic and the Jurassic period. They belonged to the reptiles group and were terrestrial animals. It is believed that they were the most dominant species on the earth for about 140 millions of years.
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Oftentimes UV light can cause the genetic code of an organism to mutate, leading to a variety of errors, some of which are not compatible with life.
UV light is considered to be a mutagen. What this means is that the exposure of cells to UV light often leads directly to a mutation in the genetic code of that cell. This correlation has been studied extensively and shown to affect the nucleotides of DNA, which are:
- A base (adenine)
- T base (thymine)
- G base (guanine)
- C base (cytosine)
The exposure to UV light causes the base nucleotides in the DNA of an organism to oxidize. This oxidization causes the base pairs to form dimers. Most often the dimer formed is of a <u>thymine base</u>. This can be thought of as the fusion between two thymine bases, which will alter the frame in which DNA is read and <u>cause all sorts of abnormalities</u>.
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It's called Merchanical Energy
The correct answer for the given situation above would be option D. The condition that Jocelyn might experience during her audition would be an anxiety attack. Anxiety attack or also known as panic attack is an abrupt onset of intense discomfort or fear which lasts for minutes. This may include shortness of breath, increased heart or pulse rate, sweating, and trembling.
The outer region of cytoplasm in a eukaryotic cell lies just under the plasma membrane