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Lubov Fominskaja [6]
3 years ago
9

Transcription initiation of the lac operon is enhanced when _______ interacts with rna polymerase.

Biology
1 answer:
Gnom [1K]3 years ago
5 0

Answer:  lac operon is enhanced when CAP-cAMP complex interacts with rna polymerase.

Explanation:

The operon is defined as a set of structural genes organized in sequence and under the control of a single promoter. RNA polymerase transcribes, from the common promoter, all the structural genes into a single polycistronic RNA molecule, which is translated into the proteins encoded by the genes.

The CAP-cAMP Complex acts positively by providing the basic conditions for transcription. The complex binds to the lac promoter and doubles the DNA of this region, which allows it to be recognized by the RNA polymerase. In the absence of cAMP or CAP protein, the process of transcription does not occur because the RNA polymerase does not recognize the Lac promoter. When the CAP-cAMP complex is present, the promoter is recognized by the RNA polymerase, which binds to it. The CAP protein is, therefore, an activator and the cAMP an effector.

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Give one example of how humans can affect the biosphere. How might that impact the other spheres in the Earth system?
iren [92.7K]

Answer:  Piling up our waste in landfills affects the geosphere. Pumping waste into the oceans harms the hydrosphere. And overfishing and habitat destruction can reduce the diversity of living things in the biosphere.

Explanation:  Hope this helps and good luck :)

5 0
3 years ago
If false, please make it a correct statement. A rancher uses a particular chicken for breeding purposes because, on average, she
schepotkina [342]

Answer:

b) false

Explanation:

The given statement is false. the selection process used by the rancher is an example of artificial selection and not natural selection.

Artificial selection is defined as the selection process done by humans on the basis of desirable characters while in natural selection the selection is based on the  adaptive characteristics of animals. In the given example rancher choses a desirable character of chicken that lays more eggs.

Hence, the given statement is "false".

8 0
3 years ago
The ultimate goal of sustainable development is to limit the future use of resources b. meet current and future resource needs C
egoroff_w [7]

The correct answer is B. Meet current and future resource needs.

Explanation:

Sustainability implies an equilibrium between the natural resources available and the resources humanity requires. This equilibrium is reached when the natural resources extracted from nature are enough to satisfy human needs without depleting the resources or causing these are not available in the future. In this context, the goal of sustainable development is to make sure now and in the future resource needs are meet (option B). Moreover, this is possible through actions such as recycling, reducing deforestation, creating environment-friendly technologies, among others that reduce the depletion of resources or preserve the environment.

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Mt-UcGAN: Multi-task uncertainty-constrained GAN for joint segmentation, quantification and uncertainty estimation of renal tumo
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Multi-task uncertainty-constrained GAN(Mt-UcGAN) for joint segmentation, quantification and uncertainty estimation of renal tumors on CT conclude that the integrated segmentation, quantification, and uncertainty estimate of renal tumors were initially proposed using a multi-task uncertainty-constrained generative adversarial network (Mt-UcGAN).

A novel adversarial technique with uncertainty limitations was put forth by us. Results from the experiment show that Mt-UcGAN can help with clinical tumor assessments.

Additionally, it can give medical professionals feedback on the validity of the findings, enabling them to undertake further visual reviews and revisions of the findings to raise the diagnostic accuracy.

The three main procedures for clinical tumor disease diagnosis are segmentation of renal tumor, measurement of tumor indices (i.e., center point coordinates, diameter, circumference, and cross-sectional area), and segmentation uncertainty estimation.

These tasks have, however, only ever been researched separately until now. It is quite difficult to describe two distinct tasks as a single optimization framework since segmentation and quantification tasks have separate optimization types.

In this study, we present a unified framework for the joint segmentation, quantification, and uncertainty estimate of renal malignancies on CT (Mt-UcGAN: Multi-task uncertainty-constrained GAN ).

Learn more about Renal tumors here brainly.com/question/28114108

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8 0
1 year ago
New Deal Agency
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