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3 years ago

How the layer of the earth connected and affected by each other

1 answer:

6 0

For example: an earth quake is caused by a shift in the layers causing the ground to shake. Hope this answers what you were asking.

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The trp and lac operons are regulated in various ways. how do bacteria regulate transcription of these operons?

Vlada [557]

Operon is not transcribed:

-lac operon: lactose absent

-trp operon: tryptophan present

Positive control transcription of Operon does not speed it up:

Lactose and glucose are present, -lac operon

Tryptophan is lacking in the -trp operon.

Operon is transcribed quickly through positive control:

-lac operon: lactose present, glucose not

Only negative control is used to regulate the trp operon. The operon genes are not transcribed when tryptophan is present.

Both positive control and negative control are used to control the lac operon.

Negative control: —Transcription is inhibited when lactose is missing due to the activity of the repressor protein.

—The repressor protein is deactivated and transcription is triggered when lactose is present.

Positive control: —In the absence of glucose, another regulatory protein (CAP) attaches to the lac operon's promoter, speeding up transcription in the presence of lactose.

Learn more about lac operons here:

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7 0

1 year ago

What is used for comparison purposes in an experiment to show what would happen if no treatment or change in the independent var

kiruha [24]

C.scientific theory that would be your answer cause I just did this question

7 0

3 years ago

An alleles is dominant is heterozygote when it is

Fittoniya [83]

An allele is dominant and heterzygote (Pp) when a dominant allele (P) is crossed with a recessive allele (p).

Explanation:

A dominant allele is the one with a particular dominant character or phenotype which dominates even though there are other alleles found.

A heterozygous allele results from two different alleles coding for a gene.

A heterozygous dominant allele (Pp) results from the crossing of a dominant allele (P) with a recessive allele due to complete masking of the recessive allele (p).

For example, when dominant brown eyes are crossed with recessive blue eyes, in a heterozygous dominant allele results in brown eyes and masks the recessive blue eyes.

4 0

3 years ago

Where in the human female body are egg cells fertilized

lozanna [386]

The correct answer is the <span>Fallopian tube, hope this helps</span>
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3 0

3 years ago

Read 2 more answers

When a phosphate bond is hydrolyzed, energy is released. the remaining adp is at a higher or lower energy state?

Eduardwww [97]

Answer:
The remaining ADP is at lower energy state.

Explanation:
ATP contain three phisphate bond. These phosphate groups form phosphodiester bond. Hydrolysis of each phosphate bond release about 7.3 Kcal of energy and one ADP. Now this ADP contain only one bond between phosphate group.

Result:
It is clered from the discussion that ADP is at lower energy level as compared to ATP due to less bond between phosphate group.

5 0

2 years ago