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4 years ago

How might it benefit an organism to have the nucleus near the centre of its cells?

2 answers:

8 0

Truly, it benefits since it makes it simpler for the waves to control everything in the cell and for the cell to work all the more appropriate and snappier.
Just the cells of cutting edge organisms, known as eukaryotes, have a core. For the most part, there is just a single core for every cell, except there are special cases, for example, the cells of ooze molds and the Siphonales gathering of green growth. More straightforward one-celled organisms, similar to the microbes and cyanobacteria, don't have a core.

Mnenie [13.5K]4 years ago

3 0

Answer:

For protection and better control.

Explanation:

First of all, if the nucleus was located in the periphery it would be easier for physical damage to reach it, but also for viruses or so, even with the use of vectors. Then, being in the center makes it equally easier to send signals, orders or RNA to each part of the cell.

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The leaves at the top of a tree’s canopy are exposed to direct sunlight during the day, and their phytochromes will occur in a h

olya-2409 [2.1K]

Answer:

Explanation:

1)Pfr/Pr

2) Pr

3)far-red

Explanation:

The leaves at the top of a tree’s canopy are exposed to direct sunlight during the day, and their phytochromes will occur in a high *Pfr/Pr* ratio. Meanwhile, the leaves of the same tree at the bottom of the canopy are highly shaded during the day and will likely have a higher proportion of the * ( PHYTOCHROME )Pr *;form of phytochrome present due to exposure to a higher proportion of *FAR RED * light.

Plants make use of the phytochrome system to it's adjust growth based on the seasons. Through phytochrome plants is able to respond to the timing and duration of dark and light periods. At dawn, all the phytochrome molecules present in the leaved are converted to the active Pfr form until sunset this is because the sun is unfiltered, and unfiltered sunlight has high percentage of red light, but lower far-red light, with the help of phytochrome system , the plants is able to compare the length of dark periods over several days.

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3 years ago

How does crossing over add to the genetic diversity of sexually reproducing organisms?

brilliants [131]

<span>In this item, we are asked to reason out as to why crossing over add to the genetic diversity of the sexually reproducing organisms. The answer to this question is that it is the exchange of genetic material between homologous chromosomes resulting in recombinant chromosomes. The answer to this item is letter B. </span>

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3 years ago

Read 2 more answers

Select the correct answer. Which statement best describes a keystone species? A. It has little genetic variation. B. It has an e

Trava [24]

The correct answer is option <u>D. Its absence would affect many organism present in the community. </u>

7 0

4 years ago

Read 2 more answers

Describe the process of photosynthesis to explain at least 1 requirement for photosynthesis that would need to be considered for

baherus [9]

Answer:

the process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a by-product.

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3 years ago

All of the following are natural cloning except

serious [3.7K]

Answer: Dizygotic twins is not an example of natural cloning.

Explanation:

Natural cloning is a form of reproduction found in plants, fungal, bacteria, animals and humans in which an organism clone and reproduce it self in copies and having the same set of DNA.

Examples are identical twins, regeneration and tumor.

Dizygotic twins is not an example of natural cloning because they did not contain the same set of DNA.

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3 years ago