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Akimi4 [234]
2 years ago
10

You are hiking through a wooded area when you come across a cave. Since it is a hot afternoon, you decide to take a break inside

the cool shade of the cave. You are surprised to find ferns and moss growing inside the entrance of the cave since you know that plants need sunlight in order to grow. How are these plants growing?
Biology
1 answer:
Charra [1.4K]2 years ago
7 0

Answer: moisture

Explanation:

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Which statements about the modification of chromatin structure in eukaryotes are true? Select all that apply. View Available Hin
Kay [80]

The correct answers are:  

  • Methylation of histone tails in chromatin can promote condensation of the chromatin.
  • DNA is not transcribed when chromatin is packaged tightly in a condensed form.
  • Acetylation of histone tails is a reversible process.
  • Some forms of chromatin modification can be passed on to future generations of cells.  
  • Acetylation of histone tails in chromatin allows access to DNA for transcription.

Histone modifications are post-translational modifications of histone protein that can affect gene expression by altering chromatin structure or recruiting histone modifiers.The most common modifications are methylation, phosphorylation, acetylation and ubiquitylation. All of them affect the binding affinity between histones and DNA and thus loosening (gene activation) or tightening (gene repression) the condensed DNA.

Histone methylation is a transfer of methyl group by histone methyltransferases to lysine or arginine amino acid of protein. Effect of methylation depends on the type of protein that is modified. Demethylation is the reverse process.

Histone acetylation is the process of adding of an acetyl group(by  histone acetyltransferases) to histone proteins and it can also activate or inhibit the gene expression. Deacetilation is reverse process.

7 0
2 years ago
WhT is an exame of a <br> Simple savanah Elephant food chain
posledela

Answer:

THE ANIMAL WHICH TOOK CHANGE PLACE THEY ARE CALLED.

Explanation:

MARK ME BRAINLIEST PL

6 0
2 years ago
Which of the following statements is true about prokaryotic and eukaryotic cells?
Ira Lisetskai [31]
The best and most correct answer among the choices provided by your question is the last choice.

<span>The statement "Both prokaryotic and eukaryotic cells use binary fission for asexual reproduction and mitosis for sexual reproduction." is TRUE among the eukaryotic and prokaryotic cells.</span>

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
3 0
3 years ago
Most red deer who successfully reproduce have about four fawns during their lifetimes. However, a small percentage of red deer p
Rasek [7]

Answer:

Natural selection will favor red deer that produce a dozen or more offspring that survive for at least a year.

Explanation:

Natural selection results in adaptation, which means the increase of the aptitude phenotype.  Aptitude is the contribution of each genotype to the next generation.

Natural selection is the result between the individual phenotype and the environment that determines the destiny of genes. It is the differential capability of individuals to leave offspring.

Aptitude (or fitness) is the phenotype that results in the survival, fertility, and capability of having a mate. It is a way of measuring the individual ability to leave fertile offspring. Aptitude must be significant to the natural selection act in its favor.  

Natural selection, eventually, will favor red deer that produce a dozen or more offspring that survive for at least a year. These animals have more chances of leaving fertile descendants that will be able to grow, develop, survive, and reproduce. They have a higher aptitude than those individuals that only have four fawns during their lifetimes. These animals have fewer probabilities of leaving survival descendants able to reproduce.

3 0
3 years ago
How do moss plants get the food they need?
Leya [2.2K]
<span>Mosses receive their water from rainfall and most of their nutrients are dissolved in this water that has accumulated as dust on them. Their nutrient uptake is effected by the osmosis. Highly concentrated nutrients can kill them because they have no ability to regulate the absorption.</span>
3 0
3 years ago
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