Fossils provide<span> solid </span>evidence<span> that organisms from the past are not the same as those found today; they show a progression of </span>evolution<span>. Scientists calculate the age of </span>fossils<span> and categorize them to determine when the organisms lived relative to each other.</span>
Since the spinal cord injury is above the origin of the phrenic nerve it means that it will be lost the function of this nerve.
The phrenic nerve controls the diaphragm muscle, which controls the breathing process.
If the nerve is damaged and signals between the brain and
the diaphragm are interrupted, normal breathing won't be possible.
Oncogenes are most like the gas pedal on a car, while tumor suppressor genes are most like the brakes on a car. Oncogenes and tumor suppressor genes are mutated in cancer cells.
Oncogenes are genes overexpressed in cells in which they should not be expressed, thereby leading to cancer.
Some examples of oncogenes are growth factors such as, for example, the Platelet-derived growth factor (PDGF) or Epidermal growth factor (EGF).
Conversely, tumor suppressor genes are genes that act to regulate cell division and replication, thereby their inactivation also leads to cancer.
A well-known example of a tumor suppressor gene is the p53 gene that acts to control cell division and apoptosis (programmed cell death).
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Answer:
endospore-forming
Explanation:
The bacteria shown in the question above have the ability to multiply and grow as noted in the text. This shows the ability of these bacteria to produce spores.
Not all bacteria are capable of producing spores, but those that are produced when they are subjected to adverse environmental conditions, such as the hot water that the bacteria, shown in the question above, submitted. This happened because in order to preserve its species, bacteria enter a process called sporogenesis that is capable of producing and throwing spores in half.