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velikii [3]
2 years ago
13

What would the overall charge of the atom above be? How do you know?

Biology
1 answer:
oee [108]2 years ago
5 0

Answer:

Negative

Explanation:

There are more electrons (negative charge) than there are protons (positive charge).

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Carbohydrates, polymers, proteins, and nucleic acids.


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3 years ago
The lac operon can be regulated by two distinct methods. Which of the following statements are correct?The lac operon can be act
Ad libitum [116K]

Answer:

  • The lac operon can be activated by the binding of allolactose to the repressor protein, releasing it from DNA and thereby allowing for transcription to occur.
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Explanation:

Lactose operon or lac operon  (includes lacZ, lacY and lacA genes) is found in some bacteria and the products of its genes are involved in lactose metabolism. So, this operon is active (genes are transcribed) when lactose is present and glucose is absent (or at low level). The operon is regulated by the lac repressor which acts as a lactose sensor and catabolite activator protein (CAP) which acts as a glucose sensor.

When there is lactose (in the form of allolactose) lac repressor detects it and stops being repressor. This enables transcription.

CAP detects glucose (via cAMP) and activates transcription when glucose levels are low.

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3 years ago
Which of the following quantities is defined in terms of SI Units?
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Answer:

Length

Explanation:

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