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Margaret [11]
3 years ago
8

You are studying the effects of specific transcription factors on the activation of gene expression. You notice that one particu

lar transcription factor binds far away from the promoter of its target gene. What can explain this?
Biology
1 answer:
Leokris [45]3 years ago
3 0

Answer:

The answer is the flexibility of DNA.

Explanation:

The flexibility os DNA is what allows transcription factors at distant binding sites to do their job. The DNA loops like cooked spaghetti to bring far-off binding sites and transcription factors close to general transcription factor or mediator proteins.

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In which environment will decomposition occur the fastest?
Anton [14]

Answer:

D. The Amazon Rainforest

Explanation:

All in all, the bacterias and mashrooms which are which have a decomposing role in nature, usually, live in humid environments like forests, so I think that the answer would be the option D.

7 0
2 years ago
The right and left hepatic ducts emerge from the right lobe of the liver in the porta hepatis and unite to form the:
dexar [7]

Answer:

common hepatic duct

Explanation:

  • The common hepatic duct is formed by the union of the right and left hepatic ducts emerging out from the right lobe of the liver.
  • The right hepatic duct is responsible for draining bile from the right half of the body whereas the left hepatic duct drains it from the left side of the body. 
  • At the junction of the right and left hepatic duct, the common hepatic duct gets formed which then joins the cystic duct and then the common bile duct is formed. 
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4 years ago
The cells of plants and animals are similar, except for a few different structures. Which structures are only found in plant cel
Leviafan [203]

Answer:

large central vacuole

cell wall

Explanation:

Let me clear some things up for you. There are two types of cells - Prokaryotes and Eukaryotes. The principle difference between these types of cells are the structure of their genome. In case of prokaryotes, the genomic matter do not have a defined structure, it just kind of floats around in the protoplasm. But in the eukaryotes, the genome is more structured, have all kinds of proteins associated with them, and is surrounded by a two layered sack called the nuclear membrane. Both plant and animal cells have these feature of structured nucleus, therefore, they are both eukaryotes.

Now for the difference between plant and animal cells. the features you mentioned are unique about plant cells, but do not rule them out from being eukaryotes, as the 'true' structure of the nucleus is still there. Cell walls are necessary for the plant cells because plants do not posses an endoskeleton like most of the animals do. The cell wall makes the whole plant rigid so they don't fall apart or appear like a blob. Chloroplast is where photosynthesis happens, so it should most definitely be in a plant cell. Animals don't do photosynthesis so they don't have chloroplasts. Vacuoles are also present in animal cells, but they are much smaller, greater in number, and are known as lysosomes. Functionally they are virtually the same.

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Answer:

and the other questions you have the arm to

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