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poizon [28]
3 years ago
15

What element on the periodic table has 85 protons and 86 electrons? PLEASE HURRY!

Biology
1 answer:
kogti [31]3 years ago
3 0
The element is Rubidium
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Hydrogen bonds form because the___
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A. opposite

Explanation:

The positively charged hydrogen side of one water molecule is attracted to the negatively charged oxygen side of a nearby water molecule.

Opposites attract, what can i say :)

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In a diploid species of plant, the genes for plant height and fruit shape are syntenic and separated by 18 m.u. Allele D produce
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Answer:

C)Parental: 41% Dr, 41% dR; recombinant: 9% DR, 9% dr.

Explanation:

The notation Dr/dR for genotypes means that one homologous chromosome has the alleles Dr and the other homologous chromosome has the alleles dR.

The heterozygous plant  Dr/dR will produce 4 types of gametes: two identical to the chromosmes the individual has in its somatic cells (called parental), and two gametes which will be a mix of the alleles in the homologous chromosomes (called recombinant).

  • Dr: parental
  • dR: parental
  • DR: recombinant
  • dr: recombinant

To calculate the frequency of each type of gamete, we must use the formula:

Distance (map units) / 100 = frequency of recombination.

18 mu / 100 = 0.18.

The total frequency of recombination between the genes D and R is 0.18, but every time crossing over happens, two recombinant gametes are generated. Therefore, each recombinant gamete will have a frequency of 0.18/2=0.09 = 9%.

The frequency of parental gametes will be:

1 - frequency of recombinant gametes

1 - 0.18 = 0.82

But there are 2 parental gametes, so each of them will have a frequency of 0.82/2=0.41 = 41%.

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Which environmental disturbance has not been linked to global climate change
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<span>Excess nutrients levels. Can't be sure but that's what I believe. </span>
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Scientists call a mature ecosystem a ____ ____
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Match the following terms and definitions. 1. powerhouse of the cell lysosomes 2. protein producers plastids 3. shipping and pac
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