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gizmo_the_mogwai [7]
3 years ago
14

how does secondary succession differ from primary succession? it begins on bare rock or land, it begins where no plants have gro

wn, lichens and mosses form soil first, soil nutrients are already in place
Biology
2 answers:
lianna [129]3 years ago
7 0

Answer:

In primary succession, newly exposed or newly formed rock is colonized by living things for the first time. In secondary succession, an area that was previously occupied by living things is disturbed, then re-colonized following the disturbance.

Nitella [24]3 years ago
4 0

in georgia or in the crib

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Trinucleotide repeat disorders are hereditary diseases caused by mutant genes containing an increased number of repeats of a DNA
Svetlanka [38]

This question is incomplete. The full question is:

Trinucleotide repeat disorders are hereditary diseases caused by mutant genes containing an increased number of repeats of a DNA trinucleotide sequence. Which sequence(s) contain a trinucleotide repeat

a)...CAC GGA AGA AGA AGA AGA AAT AGAC...

b)...AGC GAC AGC AGC AGC AGC AGC AAG T...

c)...TTC ACT GTC ACT GTC ACT GTC ACT GTC C...

d)...CAC GGC GGC GGC GGC GGC ATC GC...

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Answer:

a)...CAC GGA AGA AGA AGA AGA AAT AGAC...

b)...AGC GAC AGC AGC AGC AGC AGC AAG T...

d)...CAC GGC GGC GGC GGC GGC ATC GC...

Explanation:

Trinucleotide repeat is a genetic mutation where a crack of three nucleotides is repeated, next to each other, so many times that it leaves the DNA molecule unstable.

This mutation is capable of causing errors in the reading of DNA, which results in disorders and syndromes in the affected organism.

The three strands of DNA shown above show this mutation.

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