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pishuonlain [190]
3 years ago
5

The initiation of transcription requires melting of the DNA double helix, i.e. separating hydrogen-bonded base pairs, immediatel

y upstream of the +1 site. How is this melting accomplished in E. coli?
Biology
1 answer:
inessss [21]3 years ago
7 0

Answer:

Here is the complete question

The initiation of transcription requires melting of the DNA double helix, i.e. separating hydrogen-bonded base pairs, immediately upstream of the +1 site. In E. coli this melting is accomplished by ___________.

-DNA helicase unwinding the double helix around the +1 site.

-DnaA:ATP complexes binding to and twisting the double helix at the +1 site.

-RNA polymerase obtaining the energy to cause separation of strands from ATP hydrolysis.

-binding of the DNA complexes to the double helix at the +1 site and twisting of the double helix.

-bases at the promoter region flipping outward from the double helix into pockets on the polymerase.

And the answer is.....

bases at the promoter region flipping outward from the double helix into pockets on the polymerase.

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What energy exist at 2 states at all times
tangare [24]

Answer:

Potential Energy and Kinetic Energy

5 0
3 years ago
Which graph might represent an eagle population along a river? Explain
Inessa [10]

Answer:

39. Graph A because there would be a good habitat for Eagle populations to strive.

40. Graph A shows an idea of habitat quality because the Eagle population is living without ecological issues.

41.  Graph A will change over time due to the number of resources left to be consumed

Explanation:

Cause I said so (lol jk it kind of was in the answers)

4 0
2 years ago
This sample is naturally occurring, inorganic, solid, has a square crystal structure, and a definite chemical composition (NaCl)
Alika [10]

Answer:

A Mineral is defined as an inorganic, naturally occurring, homogenoussolid, with a definite chemical composition, and ordered (crystalline) atomic structures.

Explanation:

Inorganic: Involving neither organic life nor the products created from or by organic life.

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occur in specific ratios.

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5 0
2 years ago
The failure of the attempt to reintroduce clapper rails in California was an example of the?
antiseptic1488 [7]
The correct answer is  B: Time-consuming process of listing endangered species.
It is an example of a failed attempt to reintroduce clapper rails in California.
The California clapper rail is noted as an endangered species.
Endangered species are plants and animals that are in close danger of being extinct.
8 0
3 years ago
Read 2 more answers
Cultures of a bacterial species were incubated on the shelf of a refrigerator, out on a lab bench top, on the shelf of a 37°C i
Alexxandr [17]

Answer:

The term which can be used for this species is psychrophile. Psychrophilic bacteria are the bacteria which love to grow at low temperature. The optimum they like to grow is 15°c and the highest temperature they grow is 20°c.  

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Therefore according to this question, there was no growth at 37°C and 50°C, very slight growth out on the benchtop, and abundant growth at refrigeration which determine that the species is a psychrophile.

8 0
3 years ago
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