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Elena-2011 [213]
3 years ago
8

Why does the DNA move down the gel?

Biology
1 answer:
natulia [17]3 years ago
5 0

Answer:

DNA fragments are negatively charged so the more for the positive electrode because all DNA fragments of the same amount of charge per mass does smart pigments move through the gel faster than large one

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Choose all the answers that apply. Sex-linked disorders _____. affect males more than females, affect females more than males, c
Wittaler [7]

Several are correct:

Affect males more than females

Can be carried by females

Are always expressed by males


A bit of explanation: sex linked genes are carried on the X chromosome. That’s why it affects males more than females...they only get one x from their mom. Females can be affected IF they receive 2 bad X chromosomes. So with a male, the bad gene on the x is always expressed. Color blindness is a good example of this.

7 0
3 years ago
Read 2 more answers
When a patient arrives in the emergency room, he is restless and irritable with unlimited energy and a rapid rate of speech. the
ANEK [815]

The condition is called mania, it is also known as manic syndrome. Is a state of abnormally elevated arousal, affect, and energy level, or "a state of heightened overall activation with enhanced affective expression together with liability of affection? Indeed, as the mania intensifies, irritability can be more pronounced and result in violence, or anxiety.  

8 0
3 years ago
Using the brake pedal analogy, explain the impact of ONE mutated tumor suppressor gene allele versus TWO mutated tumor suppresso
GrogVix [38]

The tumor suppressors allele is analogous to the brake pedal in a vehicle while cyclins are like the gas pedal. The tumor supressors regulate, negatively, the replication of cells. If the tumor supressor is mutated, this is analogous to the brake pedals of the vehicle being broken,   This means that if two are broken, then the vehicle will be unable to stop and will continue moving. This same way, if tumor suppressors are mutated, the replication of cells will continue unregulated and casue a tumor.  

4 0
4 years ago
Describe how the bacterium E. coli is used in the production of insulin
Cerrena [4.2K]

Answer:

bacteria go through fermentation process and produce proinsulin then connecting sequence between A and B chain spliced an enzyme and the resulting insulin is purified

8 0
3 years ago
Which pair best matches a type of land cover with an appropriate land use?
zepelin [54]

Answer:

<em>The correct option is C) Rangeland- Grazing livestock</em>

Explanation:

Rangeland can be described as a land which consists of grasses, shrubs, woods, wetlands etc which are ideal for the grazing of domestic and wetland animals. Hence, a rangeland is used for grazing livestock. Hence, option C is correct.

Other options, like option D, is not correct because an urban land supports city life. It is not ideal for the growing of crops as it contains pollution of the city.

4 0
4 years ago
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