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Gnoma [55]
3 years ago
6

Why do living things sleep

Biology
1 answer:
Tju [1.3M]3 years ago
7 0
There are many theories about why living thins sleep, however, scientists are still unsure about what the answer to this question may be. Some say it is because of its restorative powers - after a good night's sleep, you feel rested, and all your brain and bodily functions work better than when you are exhausted. During sleep, some rejuvenating and growth hormones are created, which again adds to our advantage. You also relieve stress that has accumulated during the day. These are some of the reasons why we have to sleep. 
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Explain how a bird in a tree would be considered commensalism. Provide supporting details in your explanation
butalik [34]

Answer:

Trees and birds have a commensalism relationship. The birds benefit from having a place to build their nests, while the trees are unharmed and not impacted by the bird’s presence.

Explanation:

4 0
2 years ago
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During the early days of deciphering the human genome, scientists were surprised to find that the number of genes appeared to be
Alekssandra [29.7K]

Given what we know, we can confirm that the aspect of nucleic acids and transcription that can help explain this discrepancy is that of alternative splicing.

<h3>Alternative Splicing.</h3>
  • This process allowed the cells to use a single gene for the creation of various proteins.
  • This process includes the separation of RNA at splicing sites to create new versions of the mRNA strand.
  • This helps to increase the diversity of mRNA's available and create more proteins.

Therefore, given that alternative splicing allows the cells to create multiple forms of distinct proteins from a single gene, this allowed our organisms to develop the vast number of proteins we use, without the need for a much larger genome.

To learn more about genome visit:

brainly.com/question/20215717?referrer=searchResults

6 0
2 years ago
Which factor does not greatly influence the rate of
jonny [76]

Answer:

a. transcription

Explanation:

<em>Sugar transport in phloem is referred to as pressure flow and it involves the movement of sugar through the phloem vascular tissue from the regions where sugar is synthesized (by photosynthesis) to other parts of the plant's body that require sugar.</em>

The parts of plants where sugar is synthesized (usually the leaf) is known as sugar source while the parts where they are transported is referred to as the source. Sources are usually areas of of high osmotic concentration and high water pressure while sinks are usually areas of low osmotic concentration and low water pressure.

<em>Hence, sugar transport in the phloem can be said to be influenced by the rate of sugar production at the source (rate of photosynthesis), turgor pressure as well as sugar concentration in sinks and sources.</em>

The only option that has no known effect on sugar transport in the phloem is transcription.

The correct option is a.

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3 years ago
When a child receives different forms of a certain gene from his/her parents, he/she is said to be __________?
BartSMP [9]
A carrier of the gene
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3 years ago
Imagine that you are studying alien life-forms discovered on a distant planet. While geneticists are working out the genetic cod
34kurt

A phylogenetic tree based on morphology can be constructed using the presence or lack of characteristics. In this illustration, all aliens except the outgroup possess a spring tail, all aliens possess a fourth eye, two aliens possess two tails, and one alien has a grasping hand. The evolutionary relationships between these organisms can be hypothesized using these traits.

Aliens:

  • We can determine whether the following traits are present in the remaining aliens by using the group of aliens with the tail stalk as our test group.
  • Out group: a group that is maintained apart from the clade but is yet connected to it.
  • If we provide these aliens alphabets for ease of understanding, then aliens will be like in order.
  • We can use the group of aliens with the tail stalk as our test group to see if the following characteristics are present in the remaining aliens.
  • A group that is kept separate from the clade while yet being affiliated with it is known as an out group.
  • The aliens will appear to be in order if we give them alphabets for simplicity.

Learn more about aliens here brainly.com/question/24183412

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1 year ago
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