Briefly explain how DNA profiling is used to identify individuals.

Answers

Answer 1
A sample of DNA is taken from blood of saliva. PCR makes lots of copies, or amplifies the DNA. We then add restriction enzymes to cut the DNA at palindrome sequences. We then run the DNA through gel Elecrophoresis. Each person has unique short tandem repeats that cause a unique number of cuts by the restriction enzyme. These cuts are separated by size on gel electrophoresis, so no two people have the exact same pattern. We can compare individuals banding patterns to what is found at a crime scene, taken in previous samples, in a baby, and the sample that matches all the banding patterns will be the individual.

Related Questions

Mosses and trees are both what?

Answers

Answer: D. (Mosses and trees are both plants.)

Explanation: Since mosses are non-vascular plants and trees are vascular plants, and mosses and trees are both not seed plants, mosses and trees are both plants. (Hope this helps! :D)

if the dna sequence is TAC CCC AAG CTC GGT ATC. what is mRNA

tRNA

AA?

Answers

The mRNA sequence would be:

AUG GGG UUC GAG CCA UAG

The mRNA sequence is complementary to the DNA sequence, in other words would just basically mean you do the opposite of the bases to the DNA sequence such that:

Cytosine with Guanine

Thymine (uracil for RNA) with Adenine

However, mRNA has Uracil instead of Thymine, so instead the uracil in mRNA binds with adenine.

Urcacil with Adenine

For tRNA, they have anticodons, meaning they have bases complementary to the mRNA strand, so the tRNA with the complementary anticodon sequence would be:

UAC CCC AAG CUC GGU AUC (DNA sequence but replace thymine with uracil)

For the amino acids, they would bond to the specific tRNA molecules with the specific bases on the anticodons.

can someone please help me on this all u have to do is search up on the internet and then put down 4 facts that are mentioned in the web site and give the main idea to but make sure I know were the main idea is

web site: should we bring back extinct species ​

Answers

literally do it urself LOL

How do i do this:
Information about the four organisms can be found on the Internet. Use credible websites to find answers to the questions you developed in part A. Based on this data, draw your own dichotomous key.

Answers

Answer:

multicellular animal,plant,fungi,microorganisms

Of the following, which component of life is the largest?
O Molecule
O Organelle
O Atom
O Cell

Answers

out of those options, the cell is the largest.

Where does carbon dioxide come from during photosynthesis?

Answers

Answer:

Plants extract the carbon dioxide from the air and use it in photosynthesis process to feed themselves.

In your own words explain why the sky is blueI

Answers

Answer:

As white light passes through our atmosphere, tiny air molecules cause it to 'scatter'. The scattering caused by these tiny air molecules (known as Rayleigh scattering) increases as the wavelength of light decreases. ... Therefore, blue light is scattered more than red light and the sky appears blue during the day.

Explanation:

Thank You I hope it's helpfull...

What is the function of the structure labeled C in the diagram to the right? it is where water, dissolved substances, and urea are filtered out of the blood.

Answers

Answer:

B. It captures the substances filtered out of the blood.

Explanation:

Edge 2021

Answer: B

It captures the substances filtered out of the blood.

Explanation:edge 2022

tissue respiration, location in the cell and sequence of reaction​

Answers

Answer:

The Location of Cellular Respiration

Cellular respiration takes place in both the cytosol and mitochondria of cells. Glycolysis takes place in the cytosol, whereas pyruvate oxidation, the Krebs cycle, and oxidative phosphorylation occur in the mitochondrion.

Tissue respiration occurs internally where the oxygen carried by the blood and RBCs is exchanged with the carbon dioxide produced by the cells of various tissues. ( This answers the location of where tissue respiration occurs

Sequence of tissue respiration

The stages of tissue respiration include:glycolysis - pyruvate oxidation - citric acid or Krebs cycle - oxidative phosphorylation.

Cell tissue respiration

It is the process by which organisms combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life-sustaining activities and discarding, as waste products, carbon dioxide and water

Cellular tissue respiration is a set of metabolic reactions and processes that take place in the cells of organisms to convert chemical energy from oxygen molecules or nutrients into adenosine triphosphate, and then release waste products.

Learn more about respiration:

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Which of the following are examples of wetlands? (Choose all that apply.)
mangroves
ponds
bogs
swamps

Answers

Answer: swamps and bogs
Explanation: swamps, peatlands, sloughs, marshes, muskegs, bogs, fens, potholes, and mires

Answer:

- swamps

- mangroves

- bogs

Explanation:

Wetlands are areas of standing water.

What is a swamp? A swamp is a forested wetland. Swamps are considered to be transition zones because both land and water play a role in creating this environment.

What are mangroves? Mangrove swamps (swamps are wetlands)  are coastal wetlands found in tropical and subtropical regions.

What are bogs? A bog or bogland is a wetland that accumulates peat as a deposit of dead plant materials – often mosses, typically sphagnum moss.

In the pregnancy time the embryonic cells are developed into different types of cells,tissues,organs How??​

Answers

Answer:

The embryonic stage plays an important role in the development of the brain. Approximately four weeks after conception, the neural tube forms. This tube will later develop into the central nervous system including the spinal cord and brain. The neural tube begins to form along with an area known as the neural plate.

Explanation:

Discuss the arguments for and against genetic therapy and genetic engineering.

Answers

Answer:

Reasons to ban germline gene editing include the profound risks to future children, thin medical justifications, reinforcing existing inequalities and creating new forms of discrimination, eroding public trust in responsible science, and undermining global agreements.

Explanation:

ppbag at it again

In 2018, the average age for first marriage in the United States was 29.8 years for men and 27.8 years for women. These ages for first
marriages are

Answers

Those ages for first marriages are averages

These ages for first marriages are Average age .

What is the average age of first marriage in the United States?

The median age at first marriage for women was 28 years in 2015-2019, up from 26.3 in 2006-2010. The median age at first marriage for men was 29.9 years in 2015-2019, up from 28.1 in 2006-2010.

What is the median age at first marriage for women?

In 2019, the median age for the first wedding among women stood at 28.4 years.

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Which organelle is the powerhouse of the cell

Answers

Answer:

The mitochondria

Explanation: Mitochondria (sing. Mitochondrion) are known as the powerhouse of the cell because they are responsible for the release of energy from food ,i.e, cellular respiration. This energy is released in the form of ATP (adenosine triphosphate), the energy currency of the cell.

The mitochondria is the power house of a cell.

Identify the animal products and by-products you use throughout an entire day, and log them in a journal. Submit your journal and your reflection.

Answers

Answer: Products from animals include meat and meat products, poultry products (meat and eggs), fish, shellfish, dairy products (milk and cheese), and non-food products such as fiber (wool, mohair, cashmere, and leather).

Explanation:

This is my teacher/daughter

Answers

thats nice :)

also hi hru

"Eukaryotes are more evolved than prokaryotes."Do you agree the statement?​

Answers

Answer:  Eukaryotes are more evolved than prokaryotes. This is false. Again, no living taxon is more evolved than another.

Which of the following statements is FALSE?

Answers

Answer:

I'll wait for some possible answers...

Some female peacocks prefer males with large, colorful tales while other female peacocks
prefer males with no tail at all. Females are beginning to only mate with the type of males
with the tail they prefer. What type of reproductive barrier is this?
mechanical isolation
temporal isolation
0 0
geographic isolation
behavioral isolation

Answers

Answer:

The answer is Behavioural isolation.

Hope that helps. x

ASAP plz
Describe hurricanes and explain how these storms affect human behavior?

Answers

When a hurricane strikes a community, it leaves an
obvious path of destruction. As a result of high winds
and water from a storm surge, homes, businesses, and
crops may be destroyed or damaged, public
infrastructure may also be compromised, and people
may suffer injuries or loss of life.

If human activity continues at its present rate, what will probably happen to the levels of carbon dioxide and other gases?​

Answers

The last time there was this much carbon dioxide (CO2) in the Earth's atmosphere, modern humans didn't exist. Megatoothed sharks prowled the oceans, the world's seas were up to 100 feet higher than they are today, and the global average surface temperature was up to 11°F warmer than it is now.

Starting from the sun, create a food chain including three organisms.

Answers

Answer:

sun ----> plant -----> bunny

Explanation:

the sun helps the plant grow, then the bunny eats the plant.

Answer:

Sun, Plankton, Herring

Explanation:

The sun Provides energy for the plankton to conduct photosynthises, which in turn allows for herring to eat the plankton

If distance equals speed multiplied by time,
then how far does a sound travel if it has a speed
of 330 m/s, and travels for 10 seconds? Be sure to
give an answer with units.

Answers

Answer:

3300 meters

Explanation:

so the formula is in the questtion

distance=speed*time

so distance=330*10

to get the units you have to look to see that the only unit that is a distance is meters

hope this helps!

25 points
Complete the sentence. Carbon flows between ____________, environmental storage centers that absorb and store carbon for long periods of time.

plants and animals
humans and air
rocks and soil
carbon sinks

Answers

Answer:carbon cycle

Explanation:

Answer:

it would be stored in plants in animals

Explanation:

those are one of our main sources of oxygen

What properties do all liquids share

Answers

They have definite volumes, but no shape, they can change shapes based on the shape of the container.

A biological factor that is correlated with borderline personality disorder is:
a)
a high level of testosterone.
b)
a low level of serotonin.
c)
a high level of serotonin.
d)
a low level of testosterone.

Answers

A low level of testosterone

List the angles in order from smallest to largest. Note image in not drawn to scale

Answers

Using sine rule and cosine rule, the angles from smallest to largest is A,B,C.

Using the cosine rule;

a^2 = b^2 + c^2 - 2bc cos A

When;

a = 9 cm

b = 16 cm

c = 18 cm

9^2 = 16^2 + 18^2 - (2 × 16 × 18) cos A

81 = 256 + 324 - (576) cos A

81 = 580 - 576 cos A

81 - 580 = - 576 cos A

cos A = (81 - 580)/  - 576

A = cos-1[(81 - 580)/  - 576]

A = 30°

Using the sine rule;

a/sin A = b/sinB

asinB = bsinA

sinB = bsinA/a

B = sin-1(bsinA/a)

B = sin-1[(16 × sin30)/9]

B = 63°

Now;

A + B + C = 180(Sum of angles in a triangle)

C = 180 - ( A + B)

C = 180 - ( 30 + 63)

C = 87°

The angles are A, B, C.

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If the chloroplasts of a plant cell are damaged, which will it be unable to do?
a. protect the cell
C. excrete waste materials
b. make food for the cell
d. give instruction to the cell to reproduce​

Answers

Answer:

Make food for the cell

Explanation:

Since the purpose of the chloroplast is to create energy for the cell, should it be damaged it would lose its ability to do so.

Hopefully this is a better answer

Answer:

I believe it is b

Explanation:

Chloroplast help to produce food and uses the suns sun rays or energy given off of it to produce one it’s green color and it well the food

What is one of the results of an increase in the amount of greenhouse gases in the atmosphere?
А
increased overall ocean salinity
B
decreased global polar ice melting
с
increased overall atmospheric humidity
D
decreased global surface temperatures

Answers

Answer:

C) Increased overall atmospheric humidity

Increasing overall atmospheric humidity is the result of an increase in the amount of greenhouse gases in the atmosphere. Therefore, option C is correct.

What are greenhouse gases?

The gases that trap heat in the earth's atmosphere are referred to as greenhouse gases. The earth's surface warms during the day when the light beams through the atmosphere. The earth's surface cools at night, redistributing heat into the atmosphere. However, part of the heat is captured by the atmosphere's greenhouse gases.

Due to minute concentrations of water vapor (H2O), carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O) in the atmosphere, the Earth has a natural greenhouse effect.

Increasing overall atmospheric humidity is the result of an increase in the amount of greenhouse gases in the atmosphere. Therefore, option C is correct.

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I need help with this one

Answers

Im not 100% sure more like 37% but i think its D i was looking on the internet for some while thats the closest i got so sorry if im wrong
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