Short Tandem Repeat (STR) analysis could be a common biological science method accustomed compare allele repeats at specific loci in DNA between two or more samples.
Further Explanation
A brief tandem repeat could be a microsatellite with repeat units that are 2 to 7 base pairs long, with the quantity of repeats varying among individuals, making STRs effective for human identification purposes. This method differs from fragment length polymorphism analysis (RFLP) since STR analysis doesn't cut the DNA with restriction enzymes. Instead, polymerase chain reaction (PCR) is utilized to get the lengths of the short tandem repeats supported the length of the PCR product.
STRs are short sequences of DNA, normally of length 2-5 base pairs, that are repeated numerous times during a head-tail manner, i.e. the 16 bp sequence of "gatagatagatagata" would represent 4 head-tail copies of the tetramer "gata". The polymorphisms in STRs are thanks to the various number of copies of the repeat element that may occur during a population of people.
STR analysis could be a tool in forensic analysis that evaluates specific STR regions found on nuclear DNA. The variable (polymorphic) nature of the STR regions that are analyzed for forensic testing intensifies the discrimination between one DNA profile and another. Scientific tools like FBI approved STRmix incorporate this research technique. Forensic science takes advantage of the population's variability in STR lengths, enabling scientists to tell apart one DNA sample from another. The system of DNA profiling used today relies on PCR and uses simple sequences or short tandem repeats (STR). This method uses highly polymorphic regions that have short repeated sequences of DNA (the most typical is 4 bases repeated, but there are other lengths in use, including 3 and 5 bases).
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Grade: College
Subject: Biology
keywords: STR, analysis.
WILL GIVE A BRANILEST AND 20PTS
Widespread hunting of predators may result in _____.
a safer environment
overpopulation of prey
the arrival of new predators
an abundance of vegetation
Answer: Option B
Explanation: The population of prey inversely depends on the population of predators.
Predators are the organism that prey on other organism for their survival.
As they are inversely proportion to each other, more is the number of predators less is the number of prey and less is the number of predators more is the number of prey.
for example snake eat mouse, as here mouse is the prey and snake act as predator, if the population of snake decreases then the population of mouse will increase.
Thus, the correct answer is option B.
What explanation might an economist provide why some people smoke cigarettes smoke cigarettes when such behavior can lead to health consequences? some people likely smoke cigarettes smoke cigarettes because?
Why did dna technology lead to more use of cladistics?a. it showed that the linnaean system was the most accurate.b. it changed ideas about which animals were closely related.c. it proved that eukaryotes formed from endosymbiosis.d. it showed that there are three domains and six kingdoms?
DNA technology leads to more use of cladistics because it changed ideas about which animals were closely related (Option b).
What is DNA technology?DNA technology refers to the techniques that use genetic material as the source to answer scientific questions.
DNA technologies and cladistics can help us to answer evolutionary questions.In conclusion, DNA technology leads to more use of cladistics because it changed ideas about which animals were closely related (Option b).
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How many moles of O2 are required for the complete reaction of 88.9 g of C2H4 to form CO2 and H2O?
What is meant by suggesting that Earth's oceans are connected?
A. All ocean water came from a single comet that broke into five large pieces.
B.All of the crustal plates underlying the ocean share a border with each other.
C. Water can flow through all five oceans without having to cross a barrier.
D. Water from separate oceans mixes when it flows underneath the continents.
Answer: The correct option is C. Earth’s oceans are connected indicates that Water can flow through all five oceans without having to cross a barrier.
Explanation:
Oceans is said to cover around 70% of earths surface and aorudn 97% of earhts water source is found in ocean and seas. The world ocean is interconnected system of earth oceanic waters.
It comprises of bulk of hydrosphere. The main oceans are Pacific, Atlantic, Indian ocean, Artic,Southern or Antartica. All these waters are connected without having to cross any land masses.
On the basis of the above explanation is:
Earth’s oceans are connected indicates that Water can flow through all five oceans without having to cross a barrier.
Ali was conditioned to blink using an air puff and a tone. the experimenter then presented only the tone until the blink response disappeared. what is ali displaying?
Suppose when you clap your hands you hear the echo a few seconds later. What can you say about the size of this room?
Answer: The room is bigger than 17.2 meter
Explanation:
The echo can be defined as the sound that is when produced are reflected back back to the ear of the speaker.
The sound that is heard is reflected sound. The minimum distance that is required to produce an echo is 17.2 meters.
By hearing the echo we can conclude that the size of the room must be more than 17.2 meters.
Hence, the correct answer is more than 17.2 meters.
The muscle chiefly responsible for the extension of the elbow joint is known as the
If two species are branching off of the same node in a phylogeny, is it possible to tell which species evolved first?
Something that disrupts homeostasis is known as a
a. stressor.
b. stress.
c. eustress.
d. distress.
Answer:
homeostatic imbalance is the right one.
Explanation:
Which of these minerals could be found in granite? Select all that apply.
A. mica
B. quartz
C. olivine
D. feldspar
E. hornblende
The answers would be
A.Mica
B.Quartz
D.Feldspar
is the number of deer on the island a density-dependent or density-independent limiting factor for the wolf ?
Answer:
It is density dependent.
Explanation:
Limiting factors, according to ecologists, are those that influence the size of a population. These factors are divided into dependent and independent. Dependent factors are those that influence mortality and birth rates in a population, in which case we can state that the number of moose on an island is a dependent limiting factor for the density of a wolf population.
This is because, wolves feed on moose, if the number of moose is small, the density of the wolf population will decrease because they will have difficulty feeding and consequently die. On the other hand, if the moose population is large, wolves will have abundant food and this will increase the density of the wolf population.
Which of these is an example of interactions between the atmosphere and geosphere?
A)formation of snow
B)erosion of soil due to wind
C)destruction of houses by floods
D)uprooting of trees during tornadoes
Make sure that u know the answer!!!!!!
B)erosion of soil due to wind
Hope this helps.....
Lipid is one of the major classes of bio molecules needed by the body. The body breaks down lipids that we consume to create blank and blank
Sadaf has irregular menstruation, is overweight, and has excessive body and facial hair, and acne. what condition could she have?
Ureterectasis is the __________ of a ureter.
The answer is dilation or expansion. It is because ureterectasis is a process of which the ureter of an individual is being stretch out that is why it is being referred to as dilation or an expansion of the area.
you find a rock that contains large pebbles that appear to have been glued together what type of rock would you find
igneous
metamorphic
sedimentary
intrusive
Describe how the articulating bones of the elbow prevent hyperextension
The articulating bones of the elbow prevent hyperextension through the support of ligaments and the articular capsule. The ulnar collateral ligament and the radial collateral ligament resist hyperextension, while the articular capsule prevents side-to-side movements.
Explanation:The articulating bones of the elbow prevent hyperextension through the support of several ligaments. The ulnar collateral ligament, located on the medial side of the elbow, is the strongest and resists hyperextension. The radial collateral ligament on the lateral side of the elbow also helps prevent hyperextension. Finally, the articular capsule of the elbow, which is thickened with intrinsic ligaments, prevents side-to-side movements, including hyperextension.
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The world's breadbaskets refers to which biome?
As discussed in the introductory passage, the normal human microbiota has coevolved with humans. this microbiota consists of a wide variety of organisms interacting with each other and with their human host. for a normal, healthy human host, how is/are the majority of these relationships described?
The vast majority of the relationships that can be observed between humans and microbiota are commensalism and mutualism. These relationships are the reasons to why these organisms thrive in their environment because the microbiota living inside humans are able to obtain food and energy immediate to their cellular process. Consecutively, humans are able to metabolize some food consumed through these organisms as long as they are regulated and monitored.
Which germ layer generates the neural tube?
How does the use of assistive biomedical technology in children differ from the use of assistive biomedical technology in adults?
The use of assistive biomedical technology differs in children than in adults due to the following reason:
Children suffering from disorder like Down syndrome needs help to cope with that is learning how to adjust to the disorder. Adults suffering from this disorder need support to cope up with it, there is very less scope of learning.
Further Explanation:
The main term referred as biomedical technology is a combination of technology and engineering to solve the medical or biological issue in humans. The major difference between the use of the assistive biomedical technology in adults and children is mainly depending upon how the technology is modifying for the use of the particular age group. There are many different types of assessment devices for biomedical technology:
Cosmo-Bot Cosmo’s learning system Stroke rehab glove Tap-tap rehabilitation Learning for children
For example, in children, cognitive devices may assist in classroom learning, on the other hand, for an adult, a cognitive device may focus on the rehabilitation therapy post-stroke. Thus, mainly children require coping up from the disease and adults just require support.
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Answer Details:
Grade: High School
Subject: Biology
Topic: Assistive Biomedical Technology
Keywords:
Assistive biomedical technology, rehabilitation, support, adult, children, learning, stroke, disease, system, classroom, cognitive device.
How do the roots of most plants obtain food for survival?
A)They store food within them.
B)The phloem tissue carries food to the roots.
C)They survive by absorbing water from the soil.
D)They make their own food, like the rest of the plant.
ITS B The phloem tissue carries food to the roots.
Answer:
B)The phloem tissue carries food to the roots.
Explanation:
As you may already know, plants produce their own food through photosynthesis. However, these foods are produced in the leaves, but need to be distributed throughout the plants, including must reach the roots. Who distributes the products produced during the photosynthesis is Floema.
Phloem is an important tissue related to the conduction of elaborate sap (produced in photosynthesis) in the body of the plant. This means that it is through this tissue that substances such as water, sucrose, amino acids, nucleic acids, vitamins and inorganic ions are transported to all parts of the plant, including the roots.
Which of the following could be considered a benefit of the industrial revolution? A. Increased rate of population growth B. Increased reliance on fossil fuels C. Increased standard of living D. Increased use of groundwater E. Increased energy inputs for agriculture
Answer: Option C
Explanation:
Industrial revolution can be defined as the time where manual labor was exchanged by machines.
Many machines was set up to produce the products in huge amounts by machines with the use of less cost for raw materials, no cost for labor.
The products were very cheap when compared to handmade products. These products were so cheap that everybody was able to produce it and it increased the standard of living.
Hence, the correct answer is option C
What observations and evidence have jonathan losos and his colleagues gathered to support the theory of natural selection?
Knowing what tetanus toxin does to motor neuron activity, predict what would happen to the concentration of acetylcholine in the synaptic cleft.
"the number of women who died of breast cancer divided by the number of all women with breast cancer in the same year is a measure of the"
How is earth heated through conduction?
Why can’t an animal last without water and food for a long time
Animals need water for crucial cellular processes and to prevent drying out. They require food to generate energy, maintain stable internal environment or homeostasis, and keep up body functions. While certain animals store fat for energy during food scarcity, regular intake of food and water is vital for survival.
Explanation:Animals cannot last without food and water for long due to several biological reasons. Water is critical for cellular processes, and if an animal is exposed to air, their bodies tend to lose water and risk of drying out. Biological adaptations help animals retain water, but they cannot survive without replenishing lost water for long.
Moreover, animals need food to maintain homeostasis, the ability to maintain a stable internal environment amidst external changes. Food provides the energy required for various body functions, including maintaining body temperature. Therefore, without regular intake of food, animals cannot sustain energy, and their vital functions start to fail, leading to survival risk.
Certain animals need excess body fat for insulation and energy storage during scarce food availability. However, periodical replenishment, either by eating or fat storage used for energy, is critical for survival on land.
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according to Charles Darwin what biological mechanism
According to Charles Darwin, the biological mechanism that drives evolutionary change is natural selection. This is a process by which individuals with favorable traits are more likely to survive and reproduce, leading to the accumulation of beneficial traits over time.
Explanation:According to Charles Darwin, the biological mechanism that drives evolutionary change is natural selection. Natural selection is the process by which individuals with favorable traits that allow them to better survive and reproduce are more likely to pass on those traits to future generations. This leads to the gradual accumulation of beneficial traits in a population over time, resulting in evolutionary change.