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melamori03 [73]
2 years ago
5

What is true about genetic material in prokaryotic and eukaryotic cells?

Biology
2 answers:
Stella [2.4K]2 years ago
6 0
The answer is -Prokaryotic cells have single strands of DNA, and eukaryotic cells have multiple chromosomes. 

The main difference between prokaryotic and eukaryotic cells is that eukaryotic cells have long tangled strands of DNA packed in the nucleus, and prokaryotic do not have nucleus and their DNA is short stranded. Since DNA strand are very long in eukaryotic cells, they are organised in chromosomes. The number of chromosomes is different for each species, and 23 chromosomes are characteristic for humans.
krok68 [10]2 years ago
3 0

It is B. It's on page 1 of the honors

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Many of the organisms in the ocean are nutrient-limited. if you wanted to investigate this phenomenon, one reasonable approach w
Mamont248 [21]
None of the provided options are reasonable. <span>comparing nutrient concentrations between the photic zone and the benthic zone can not tell you whether differences in concentrations between the photic and benthic zone are due to uptake by phytoplankton or because nutrients are sinking to the sea bottom and ocean stratification is preventing mixing.  The approach of c</span><span>ontrasting nutrient uptake by autotrophs at different locations under different temperatures would not provide useful information on limiting nutrients. but rather uptake rates at different temperatures.  It is likely that e</span>xperimentally enriching some areas of the ocean and compare their productivity to that of untreated areas can provide an indication of limiting nutrients, but this is not advisable, as it would have to be done on a large scale, and one cannot be sure of the ecological consequences. Also, because it would not be a controlled experiment, other factors could create 'noise' in the data. The last option, <span>observe antarctic ocean productivity from year to year to see if it changes, also does not help, as there is no correlation between nutrient concentrations using this approach. The best approaches would be either the last approach, but with the additional monitoring of nutrient concentrations, or under a controlled laboratory experiment.</span>
5 0
2 years ago
If the resulting F1 rabbits are crossed, what proportion of the F2 offspring will have the Himalayan phenotype and what causes t
iren2701 [21]

Answer:

3/4; temperature

Explanation:

When animal are crossed to produce a different hybrid having the features or characteristics of both the two crossed animal, a hybrid offspring is produced. The hybrid offspring have all the qualities and characteristics of the parents.

When a parental cross is done between rabbit with albino rabbit, having genotype cc and with Himalayan phenotype that have a genotype of chch, it results in the production of F1 rabbits having all the Himalayan phenotype.

And if the F1 rabbits are now crossed, three-fourth of the F2 offspring have the Himalayan phenotype. The distinctive fur pattern and the unstable allele of hypomorphic ch is caused by the temperature of the surrounding.

4 0
2 years ago
What is an environmental purpose of buying hunting licenses?
777dan777 [17]
To keep populations of wild animals stable... I just answered it and its right
3 0
2 years ago
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According to the pedigree chart, which statement MUST be true?
dem82 [27]

Answer:

<h3>A) Only Male offspring can inherit the disease. </h3>

Explanation:

As per the pedigree chart, only the males are shown as affected by the disease. Thus, it must be a sex-chromosomal inheritance, expressed in the Y chromosome or the male chromosome.  

As the females in the family are unaffected, hence the mother in the original parental generation cannot be a carrier.

It is likely that the father from the original parental generation might be the carrier.

As there are affected individuals in both the generation after the original parental generation ( the last generation having two more affected males), the statement that the chances of inheriting the decease with each successive generation is not true.

7 0
3 years ago
Read 2 more answers
Feather color in budgies is determined by two different genes, Y and B, one for pigment on the outside and one for the inside of
Alex Ar [27]

Answer:

Blue offspring only

Explanation:

If A blue budgie is crossed with a white budgie.

i.e yyBB or yyBb × yybb

let use yyBb for blue budgie,so we have; yB, yb, yB, yb representing the columns on the horizontal rows of the punnet square.

on the other hand, in white budgie yybb, we will have yb, yb, yb, yb representing the rows on the vertical column of the punnet square.

if a dihybrid cross occurs among these representative, all progeny in the punnet square will be yyBb, showing that they are all Blue offspring only.

6 0
3 years ago
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