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vodomira [7]
3 years ago
11

A negative ion will attract

Biology
2 answers:
Andrei [34K]3 years ago
7 0

Answer:

It will attract positive ion

Explanation:

vlada-n [284]3 years ago
6 0
A negative ion will attract a positive ion.

hope this helped :)
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consuming high levels of provitamin a carotenoids, which come from plant sources, does not lead to vitamin a toxicity.
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Consuming high levels of pro vitamin A carotenoid, which come from plant sources, does not lead to vitamin A toxicity. This statement is true.

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1 year ago
Someone help me please
frez [133]
1. Two genetically identical copies of DNA

2. Finds an error in DNA, removes the incorrect nucleotide and replaces it with a correct one.

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4. DNA helicase unwinds DNA double helix and Topiosomerase ensure there isn't too much unwinding.

5. Replication has a built on proofreading system - DNA polymerase removes the incorrect nucleotide and replaces it with a correct one.
5 0
3 years ago
What does it mean if there are two different alleles for a trait?
bonufazy [111]
If there are two different alleles for a trait, this means t<span>he trait could show up in two different forms.</span>
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Evolution can be guided by random processes. What is the effect called when some genotypes are lost in a small population over t
soldi70 [24.7K]

Answer:

Genetic drift

Explanation:

Genetic drift is defined as the random change in allelic frequencies from one generation to the other.

Genetic drift is an evolutionary mechanism in which the allelic frequencies in a population change through many generations. Its effects are harder in a small-sized population, meaning that this effect is inversely proportional to the population size. Genetic drift results in some alleles loss, even those that are beneficial for the population, and the fixation of some other alleles by an increase in their frequencies. The final consequence is to <u>randomly</u> fixate one of the alleles. Low-frequency alleles are the most likely to be lost. Genetic drift results in a loss of genetic variability within a population.  

Genetic drift has important effects on a population when this last one reduces its size dramatically because of a disaster -bottleneck effect- or because of a population split -founder effect-.

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3 years ago
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ElenaW [278]
The answer u r looking for is- D, Nuclear Envelope. Hope I’ve helped ;)
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