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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Photosynthesis and cellular respiration are opposites
The pea aphid isn't a true autotroph because it is unable to use the energy from sunlight.
<h3>What is a true autotroph?</h3>
A true autotroph is an organism that produces biomass by a chemical process called photosynthesis.
This type of autotroph generates biomass by means of photosynthetic cycles of production.
In conclusion, the pea aphid isn't a true autotroph because it is unable to use the energy from sunlight.
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Answer:
The time between the end of ventricular systole to the beginning of atrial systole is 100 ms or 0.1 seconds.
Explanation:
Ventricular systole is the removal of blood from the heart by pumping through aorta and pulmonary vein. Both aorta and pulmonary vein receive the blood from the heart. Aorta receives oxygenated blood and pulmonary vein receive deoxygenated blood, while atrial systole is the addition of blood into the ventricular from vena cava and pulmonary artery due to contraction of heart. This process occurs in 100 ms.
It occurred during meiosis.
just took the test, hope this helps:)
