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siniylev [52]
3 years ago
8

The cell walls of plant cells have openings, or channels. How is this structure more likely related to the proper functioning of

the plant system
Biology
1 answer:
umka2103 [35]3 years ago
7 0

Answer:

Allows which things enter.

Explanation:

Example: If a plant did not have a cell wall, dangerous things could enter and destroy the cell.

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Answer:

Biome- A group of ecosystems with similar climate, vegetation, and wildlife

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Community- All living things in a particular area

Population- A group of organisms of the same species in an area

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Why is a frameshift missense mutation more likely to have a severe effect on phenotype than a nucleotide-pair substitution misse
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Explanation:

A single nucleotide-pair substitution missense mutation causes a change of a single amino acid into another. Aa a result, the produced protein will have an almost normal sequence except for one amino acid.

On the other hand, a frameshift mutation changes the Open Reading Frame (ORF) of the ribosome. The ribosome moves along the mRNA every three nucleotides (codons) and translates them into amino acids that will form the nascent protein. If there is a frameshift mutation (an insertion or deletion of a number of nucleotides not multiple of three) the ribosome will "read" the mRNA differently and will identify different codons than the wild-type sequence, so a large number of amino acids will be different in the mutated protein.

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Section your thought process into bits so it is more clear.

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