Based on this diagram label the positive and negative sides of the DNA fingerprint with a + and – sign.
Answers
We can say that the top of the gel, where the DNA samples were applied, is the negative side, while the bottom of the gel is the positive side.
We can arrive at this answer because:
DNA is a negatively charged molecule.For this reason, when DNA is applied in an electrophoresis vat, it must be placed in the negatively charged portion.This is because the electrophoresis vat will allow an electrical discharge to pass through the vat and drag the DNA from the negative side to the positive side.This movement allows the DNA to present a series of fragments of different sizes that will be observed in a fingerprint, such as the one presented in the question above.
In the figure below you can more accurately see the positive and negative sides.
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Related Questions
how to count replicated chromosomes in mitosis
PLEASE HELP
Answers
Answer:
Once mitosis is complete, the cell has two groups of 46 chromosomes, each enclosed with their own nuclear membrane. The cell then splits in two by a process called cytokinesis, creating two clones of the original cell, each with 46 monovalent chromosomes.
Explanation:
What is both the thickest and longest nerve in the body?
Answers
Answer:
The sciatic nerve
Explanation:
microscopic hair-shaped cells are referred to as_________
Answers
Answer:
it is called cillia I think
Item 5
What molecule that is created during photosynthesis provides energy for cellular processes?
ATP
chlorophyll
glucose
oxygen
Answers
Answer:
Glucose
Explanation:
Glucose is produced during photosynthesis and it is oxidised during cellular respiration to produce ATP energy.
Answer:
glucose
Explanation:
took test
Which of the following statements correctly describes genes?
Answers
Answer:
Genes are made of DNA and are carried on chromosomes
Explanation:
A mordant that is applied after the primary stain to bond chemically the alkaline dye to the bacterial cell wall is
Answers
Answer:
A mordant that is applied after the primary stain to chemically bond the alkaline dye to the bacterial cell wall is: safranin.
Explanation:
as a result of ach stimulation, calcium ions are released from the ______ of the sarcoplasmic reticulum.
Answers
Answer:
terminal cisternae
Explanation:
Individuals joining a population is an example of emigration / immigration
Answers
Answer:
immigration
Explanation:
By 12 weeks, the uterus is just ____________ to the level of the ____________ and is about the size and shape of a large grapefruit. As the uterus expands, it impinges on the space occupied by the ____________ .
Answers
Answer: 1. superior 2. pubic symphysis 3. urinary bladder
Explanation:
Given our understanding of the human anatomy, we can confirm that by 12 weeks, the uterus is just superior to the level of the pubic symphysis and is about the size and shape of a large grapefruit. As the uterus expands, it impinges on the space occupied by the bladder.
As the question tells us once the spaces are filled in, the uterus, which holds the fetus during development, expands as the fetus grows in size. This expansion causes it to extend to the spaces superior to the pubic symphysis and the space occupied by the bladder.
The expansion of the uterus into the space occupied by the bladder causes this organ to have very limited space to expand, thus greatly limiting the amount of urine it can hold which causes more frequent trips to the bathroom.
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which is a type of sequence identified by gene annotation?
Answers
Answer:
DNA annotation or genome annotation is the process of identifying the locations of genes and all of the coding regions in a genome and determining what those genes do. Hope this helps!!!
Explanation:
The hypothalamus functions in: A) coordinating movement. B) regulating the autonomic nervous system. C) secreting a hormone called melatonin. D) sending information to the cerebral cortex
Answers
Answer:
B is my answer
Explanation:
correct me if im wrong and i hope it helps
how does deforestation affect the rainfall pattern of an area?
Answers
Answer:
deforestation can significantly reduce tropical rainfall far from the area where trees have been cut down.
Explanation:
That's the conclusion of new research that shows deforestation can significantly reduce tropical rainfall far from the area where trees have been cut down.That's because air passing over forests picks up moisture given off by trees and plants, fueling rains. When those trees disappear, so does some of that rain.
How is real life fingerprinting different from the techniques used on CSI?
Answers
CSI used various techniques for fingerprinting like powder dusting, iodine fuming, silver nitrate soaking, etc to determine the fingerprint of criminals.
What do you mean by CSI?CSI stands for Crime Scene Investigation. It is a brach that investigates crime scene evidence.
Real-life fingerprinting does not involve critical techniques for identification. While CSI performs various techniques and is able to find the most similarity between the real criminal involves in any violent activity.
Therefore, CSI used various techniques for fingerprinting like powder dusting, iodine fuming, silver nitrate soaking, etc to determine the fingerprint of criminals.
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Real-life fingerprinting differs from CSI techniques. While CSI portrays fingerprint analysis as rapid and foolproof, reality involves a slower and more nuanced process.
Real-life fingerprinting is a more involved process than the quick and ostensibly error-proof fingerprint analysis seen on CSI. CSI frequently depicts fingerprint matching as a straightforward database search that produces instant identification. However, in the actual world, fingerprint analysis is carried out by skilled experts who painstakingly check ridge patterns, minute spots, and other traits to assure precise matches. To avoid mistakes, this procedure can be time-consuming and requires knowledge.
In addition, the way that huge, networked databases are shown in CSI oversimplifies reality. Although modern technology makes fingerprint comparison easier, the vast network of records that are easily available is more fantasy than reality. Real-world law enforcement databases are subject to stringent guidelines and restrictions.
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#SPJ3
Where does anaerobic respiration occur.
Answers
Select ALL the correct answers.
Which statements correctly describe mutations in gametes and mutations in somatic cells?
Mutations to somatic cells are transferred to daughter cells,
ODOS O
Mutations to gametes can be passed on to an organism's offspring,
Mutations to gametes do not involve changes
in the DNA.
Mutations to somatic cells are only present in the type of cell in which the mutation occurred.
Mutations to somatic cells will be inherited by an organism's offspring
Mutations to gametes are more likely to be beneficial than mutations to somatic cells.
Reset
Next
Answers
what single factor limits the size that most cells are able to attain
Answers
Answer:
The surface-volume ratio.
The main goal of photosynthesis is to produce what?
Answers
Answer:
To spread carbon dioxide and oxygen.
Explanation:
Plants produce carbon dioxide and oxygen. This is called photosynthesis.
Explain why it is not accurate to call a virus that kills bacteria a “bacteria eater."
Answers
Answer:
When viruses attack cells, they release genetic material that is coded to multiply, then the cells divide and more viruses are spread, the viruses do not eat.
Explanation:
If a person exerts 150 N of force to move 10 meters, then how much
work did they do?
Answers
edwin hubble developed a classification scheme for galaxies. by what characteristic did he classify galaxies?
Answers
Edwin Hubble classified galaxies according to their SHAPE. He was one of the most recognized astronomers in the last century.
Edwin Hubble was fundamental for deciphering the nature of the Universe.
Edwin Hubble developed a system to classify galaxies according to their shape into four types: spiral galaxies, elliptical galaxies, barred spiral galaxies, and irregular galaxies.
E. Hubble also categorized spiral galaxies depending on the central bulge size and arm texture.
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if an organism is a protostome, what else can you conclude about its body plan?
Answers
Answer:
It has two tissue layers.
Explanation:
(WILL GIVE BRAINLy) Select the correct answer.
The graph shows the percentage of dog breeds affected by elbow dysplasia, which causes dogs to limp. What’s the most likely explanation for the mixed breed’s disease incidence?
A.
It has low diversity in its genes.
B.
It has high diversity in its genes.
C.
It’s good at saving human lives.
D.
It doesn’t suffer attacks from wild predators.
E.
It lives comfortably with people.
Answers
Answer:
b. it has a high diversity in its genes
Explanation:
Dr. Martino's lab has been able to demonstrate that if they excessively stimulate a postsynaptic cell, it causes it to release a _____ transmitter that travels back to the presynaptic cell and modifies it.
Answers
HELP WILL GIVE BRAINLIEST
How does the temperature change as you move from the top to the bottom of
the thermosphere?
A. It stays the same.
B. It changes randomly.
C. It increases
D. It decreases
Answers
A test cross is performed to determine if a specific individual is a carrier. The results generate a 50/50 phenotypic ratio. The test subject was therefore ________.
Answers
Answer:
The test subject was therefore, Heterozygous
specific enteroendocrine cells of the stomach, called g cells, are stimulated by partially digested proteins, caffeine, and rising ph. when stimulated, g cells secrete ________.
Answers
when stimulated, g cells secrets oocytes
Why doesn't facilitated
diffusion require energy from
the cell?
A. The protein channels provide the
energy required.
B. Facilitated diffusion does require
energy
C. The movement is from a high
concentration to a lower concentration.
in
lightly
Answers
Answer: C
Explanation: This is right because the movement reciares a cell in order to move
Answer: it's C for sure!
Explanation:
Years ago, farmers determined that suppressing flower development in the wild mustard plant gave rise to the plant we know as broccoli. This is an example of ________.
Answers
To get the best from their produce, farmers tend to alter the features of the crops they have presently. The phenomenon that explains the action taken by the farmers above is;
Artificial SelectionArtificial Selection is the process of choosing desirable traits from plants and animals with the view of getting a new generation that is healthier and that possesses much better features.
In the case of the farmers above, they effected artificial selection by suppressing flower development in the wild mustard plant thus giving rise to broccoli which had more desirable features.
Therefore, the answer, artificial selection is correct.
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________ are characterized by stinging cells used for defense and for capturing prey. A. Roundworms B. Cnidarians C. Sponges D. Annelids
Answers
Cnidarians are characterized by stinging cells used for defense and for capturing prey.
Answer: B. Cnidarians
Cnidarians are animals which have specials cells known called 'cnidocytes', these are stinging cells. Cnidarians also have organelles called 'nematocysts'. Nematocysts are stringers that are primarily used to capture prey and for defense.
I hope this helps!
What type of molecule controls photosynthesis
Answers
Answer:
Chloroplasts, I believe
Explanation: