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PtichkaEL [24]
3 years ago
9

Aside from the nucleus, where else can a small amount of dna be found in a eukaryotic cell?

Biology
1 answer:
mylen [45]3 years ago
3 0

The nucleus is not the only source of DNA, besides it, DNA is also found in the mitochondria of all eukaryotic cells, as well as in the chloroplasts of plant cells and such DNA is called extrachromosomal DNA.

The DNA from the mitochondria (mtDNA) and chloroplasts are small and circular, which are similar to the prokaryotic DNA.

mtDNA contains its own genes that encode proteins that are part of the electron transport chain.

<span>Chloroplast DNA encodes for the components of the photosynthetic pathway.</span>

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If meiosis failed to occur in both male and female worms the zygote nucleons would resemble diagram
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Tetraploidy will occur.

<h3><u>Explanation</u>:</h3>

The process of sexual reproduction is very necessary to maintain the genetic setup of the species over the races.

The normal chromosome content of a cell is called diploid state of cell. Its represented by the expression 2n. The cell division that takes place before the gamete formation is called meiosis. This cell division makes the chromosome number of the cells halved. So haploid cells are produced. Its represented by n.

Now as the gametes fuse, both the n becomes 2n and diploid state is regained.

But if the meiosis don't occur in the gametes, the gametes will remain 2n. So after fertilization, it becomes 4n. This state is called tetraploidy.

6 0
3 years ago
Which statement correctly describes the diagram?
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The answer is the process in which carbon dioxide is used also forms glucose.

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4 0
3 years ago
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Oxygen released during potosythesis come from
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Answer:

plants

Explanation:

5 0
4 years ago
The pea aphid, a type of insect, contains light-capturing pigments in its exoskeleton. Scientists hypothesize that pea aphids ga
kondor19780726 [428]

Answer:Based on the information given we can not say pea aphid as an autotroph. Because pea aphid ability to produce ATP in the presence of sun is due to the light-capturing pigment that it gains from the genes transferred from fungi.

As pea aphid do not have any chloroplast and it cannot fix carbon so it is not a true autotroph. We can say it false autotroph because it can produce ATP in the presence of sunlight and can show increased production of ATP at the higher level of pigment.

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