Answer:
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Explanation:
Answer:
Explanation:
The above mentioned key points are mechanisms by which cells used to correct replication error and repair damaged DNA.
Proof Reading: while printing a page, the typesetter set the types and impression is taken, proof reading is done to correct mistakes if any, and the final printing is done. A similar follow up mechanism is done after DNA synthesis. If DNA polymerase detects an incorrect nucleotide pair, it will remove and replace with the correct nucleotide immediately.
Mismatch Repair:even after DNA synthesis, mismatch area(insertion or deletion) can be identified on the newly synthesized DNA.
In the mismatch repair, specific proteins scan the newly synthesized DNA strand. The mismatch area is identified and loop.
The second protein complex remove the mismatch segment. Finally correct segment is synthesized by the help of DNA polymerase, SSBs and ligase.
DNA damage repair mechanism: when DNA get damaged, there's a repair process that fix the damage. This includes Direct reversal, excision repair and Double stranded break repair
The three stages in the processing of information by the nervous system are the sensory input, the integration and the motor output.
During the sensory output, the sensory neurons carries information for the external stimuli such heat, smell and tastes, and other internal conditions, to the central nervous system for processing. The the CNS analyzes and interprets the input from the sensory neuron and then decides how to respond to the stimuli. Then the motor neuron carries the information from the CNS to the effector cells , that is the muscles and the endocrine glands which then exert the output.
To be accurate, a theory must continue to explain new data.
