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Nikolay [14]
3 years ago
12

How does the crime scene photographer support the prosecutor?

Biology
2 answers:
rosijanka [135]3 years ago
5 0
C I guess?
I think it's wrong
SOVA2 [1]3 years ago
3 0
My guess would be B
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nirvana33 [79]

Answer:

The answer is D!!!

3 0
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.
  • In response to low glucose levels, cAMP is upregulated; the binding of cAMP to the cAMP receptor protein triggers the activation of the operon.

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
How does genetic variation affect the type of traits or the adaptations in the individuals of a species?
Gnesinka [82]
Genetic variation describes the genetic differences among individuals of the same species that are naturally occurring.  <span>Each genotype within a population usually has different degrees of fitness to an environment. Mating between same species with favored genes guarantees survival of the population in their chosen environment. As the environment changes, the mating behavior between species may again change resulting to a different gene pool to guarantee survival. </span>
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3 years ago
Permafrost presently occurs in regions of eurasia and north america even where glaciers are not currently found
mezya [45]
The answer to the statement above is TRUE. Recently, Permafrost has been seen in the regions of Eurasia and North America even though glaciers are not even common in this area. Normally, permafrosts are found in the polar regions. These are made up of frozen thick subsurface layer of soil that has remained untouched for years. 
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What does it mean to make a prediction?
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A prediction is when you believe that something is going to happen. Example: I predict that someone will answer this before me.

Predictions can either be right or wrong.

6 0
3 years ago
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