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stepan [7]
2 years ago
10

I NEED TO KNOW IF THIS IS RIGHT (ILL GIVE BRAINLY THING FOR EXPLANATION)

Biology
1 answer:
Helga [31]2 years ago
5 0
It will be y= -5x-3 hope this helps
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Which of the following mutations could lead to constitutive expression of the genes of the lac operon? View Available Hint(s) Wh
Molodets [167]

Options for part A are as follows:

A) A mutation in the operator sequence

B) A mutation in the lac-Z gene

C) A mutation in the lac-Y gene

D) A super repressor mutation

Answer:

The correct answer:

Part a - A mutation in the operator sequence

Part b - It ensures that a cell dedicates resources to the production of enzymes involved in lactose metabolism only when lactose is available in the environment

Part C. true.

Explanation:

part a:

If there is a mutation in the operator sequence leads to prevent binding of the repressor which leads to allowing constitutive expression of the genes various conditions.

part b:

The biological role of the lac operon makes sure that the cell dedicates resources to the production of enzymes involved in lactose metabolism only when lactose is available in the environment

Part c:

RNA polymerase cannot transcribe the structural genes due to the repressor binds to the lac operator, therefore, the proper function of the lac operon is possible when the placement of the operator sequence between the promotor and the structural genes.

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2 years ago
Which characteristic is shared by all mollusks and echinoderms?
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Some characteristics that is shared is a soft body and an outer shell to protect their body. 
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3 years ago
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Which of the following is an alternative energy
Dima020 [189]

Alternative energy sources are those that do not deplete natural resources and do not harm the environment.

Options A, B, and C are all fossil fuels, which we know can be depleted and harm the environment.

The only valid option here is D, Geothermal energy.

Geothermal energy is both renewable and environmentally friendly.

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A key difference between primary cell cultures and secondary cell lines is that:____.a. primary cell cultures tend to stay alive
ivann1987 [24]

Answer:

<u>d. the cells in primary cell cultures do not divide.</u>

A key difference between primary cell cultures and secondary cell lines is that<u> the cells in primary cell cultures do not divide.</u>

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Explanation:

<em>The main difference between primary and secondary cell culture is that the primary cell culture contains the cells directly obtained from host tissue, whereas the secondary cell culture contains sub-cultured cells from primary cell culture.</em>

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________ refers to the function of a body part, while ________ refers to the structure of a body part.
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Answer:

Physiology ; Anatomy

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