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alexira [117]
3 years ago
8

Plastic materials are biodegradable truefalse​

Biology
2 answers:
cricket20 [7]3 years ago
8 0
False .........................
AlladinOne [14]3 years ago
7 0
Um false.... plastic isn’t biodegradable
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(1744-1829) was an important French naturalist. He was one of the first scientists to propose that species change over time. ide
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<h2>Jean Baptiste Lamarck</h2>

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Jean Baptiste Lamarck (1744-1829) was an important French naturalist. He was one of the first scientists to propose that species change over time.

Jean Baptiste Lamarck published his theory of evolution in the book <em>Philosophie zoologique </em>called the theory of use and disuse or the inheritance of acquired characteristic. According to this theory, ecological conditions in which an organism lives cause it to have certain needs. These needs are met by modification of old organs or by production of new rudimentary organs.The continuous  use of the rudimentary structures allows them to increase in size and disuse causes that organ to degenerate. These changes become fix and become inheritable.

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Key points: Cells have a variety of mechanisms to prevent mutations, or permanent changes in DNA sequence. During DNA synthesis,
MrMuchimi

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.

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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

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