TRUE/FALSE if mitochondrial dna from a crime scene matches a suspect, that means the suspect committed the crime.
Answers
If mitochondrial DNA from a crime scene matches a suspect, that means the suspect committed the crime. the statement is true.
What is mitochondrial DNA?The circular chromosome known as mitochondrial DNA can be found inside the cellular organelles known as mitochondria. The mitochondria, which are found in the cytoplasm, are where the cell produces energy and performs other metabolic tasks. Children receive mitochondria from their mother, and as a result, mitochondrial DNA.
What is Crime scene?Crime scene refers to the place where crime is committed and it contains the physical evidences which is important and helpful to the investigation.
Forensic team collects DNA sample from crime scene from various materials like, hair from comb, bone, teeth, etc.
hence, if mitochondrial DNA from a crime scene matches a suspect, that means the suspect committed the crime.
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Related Questions
condyles can be found on both the femur and tibia true or false
Answers
Answer: True
Explanation: Both have two condyles: Medial and lateral condyles.
Lower(distal) part of Femur and Upper(proximal) part of Tibial both have medial and lateral condyles. Femur, Tibia and patella forms knee joint which is connected by meniscus, cartilage, tendon and muscles.
The statement "Condyles can be found on both the femur and tibia" is true.
Condyles are articular surfaces, or rounded knobs, on the end of a bone that are coated in cartilage and articulate with another bone. The femur and tibia both have condyles, which are critical for joint function. The two femoral condyles are the lateral and medial condyles. They articulate with the tibia, which has two condyles: the lateral and medial condyles. an articular prominence of a bone. used chiefly of such as occur in pairs resembling a pair of knuckles (as those of the occipital bone for articulation with the atlas, those at the distal end of the humerus and femur, and those of the lower jaw) see lateral condyle, medial condyle
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Explain how to distinguish different species by their DNA.
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DNA analysis can be used to distinguish different species by comparing specific regions of their DNA sequences.
To distinguish different species by their DNA, scientists primarily focus on comparing specific regions of the DNA sequences that are highly variable among species. One commonly used region is the mitochondrial DNA (mtDNA), which is inherited maternally and has a higher mutation rate compared to nuclear DNA. Another region is the ribosomal RNA genes (rRNA), which exhibit variations among species.
The process typically involves extracting DNA samples from different organisms, isolating the target region of interest, and sequencing the DNA to determine the nucleotide sequence. The sequences obtained from different species are then compared to identify differences and similarities.
These differences can be used to create DNA profiles or genetic markers specific to each species. Advanced techniques such as DNA barcoding or whole-genome sequencing can provide more comprehensive information and aid in species identification.
By comparing DNA sequences, scientists can uncover genetic variations unique to different species, allowing them to distinguish and classify organisms accurately. This information is valuable in various fields, including taxonomy, conservation biology, forensic science, and evolutionary research.
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In humans, a _____ condition results when one gamete has 24 chromosomes and is united with a normal gamete having 23
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In humans, an aneuploid condition results when one gamete has 24 chromosomes and is united with a normal gamete having 23 chromosomes.
Aneuploidy occurs due to a process called nondisjunction, where chromosomes fail to separate properly during cell division, specifically during meiosis. This leads to the formation of an abnormal number of chromosomes in the resulting gametes.
When an aneuploid gamete with 24 chromosomes unites with a normal gamete containing 23 chromosomes during fertilization, the resulting zygote will have a total of 47 chromosomes instead of the normal 46. This abnormal number of chromosomes can cause various genetic disorders, depending on which chromosome is affected.
For example, when the aneuploidy involves an extra copy of chromosome 21, the individual will have Down syndrome, which is characterized by intellectual disabilities, developmental delays, and distinct physical features. Another example is Klinefelter syndrome, where an individual with an extra X chromosome (XXY) experiences a range of physical and developmental symptoms, including reduced fertility and testosterone production.
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what products of photosynthesis do
humans/animals use?
Answers
Answer:
Both!
Explanation:
Glucose is a version of sugar, which we eat in food to get energy for ourselves!
And Oxygen, you need that for respiration so that it can combine with the glucose, so that you can, well, live
Why is it important for an organ system to interact with other organ systems?
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Answer:
Just as the organs in an organ system work together to accomplish their task, so the different organ systems also cooperate to keep the body running. For example, the respiratory system and the circulatory system work closely together to deliver oxygen to cells and to get rid of the carbon dioxide the cells produce.
Explanation:
Antigen-presenting cells present peptides bound to MHC class II molecules for recognition by CD4 T cells. In general, these peptides are derived from proteins or pathogens taken up by the cell by endocytosis, phagocytosis, or macropinocytosis. The enzymes that degrade these proteins to generate peptides for MHC class II presentation are:
Answers
The enzymes that degrade these proteins to generate peptides for MHC class II presentation are lysosomal proteases.
Antigen-presenting cells present peptides bound to MHC class II molecules for recognition by CD4 T cells. In general, these peptides are derived from proteins or pathogens taken up by the cell by endocytosis, phagocytosis, or macropinocytosis. The enzymes that degrade these proteins to generate peptides for MHC class II presentation are lysosomal proteases.
Lysosomal proteases are a type of enzyme that is involved in the digestion of proteins, among other things. They are found within lysosomes, which are membrane-bound organelles that contain a variety of enzymes used to break down macromolecules into smaller components that can be reused by the cell.
Lysosomal proteases break down proteins into smaller peptide fragments that are then presented to T cells by MHC class II molecules on the surface of antigen-presenting cells. These peptides are then recognized by CD4 T cells, which play a critical role in the adaptive immune response.
Therefore, lysosomal proteases are responsible for degrading proteins to generate peptides for MHC class II presentation, which is essential for the adaptive immune response.
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I need help with this practice problem solvingYour answer to this can be a summary that is at least 4 sentences long
Answers
Solution:
Advantages of solar appliances:
- Renewable Energy Source
- The ecological footprint is much smaller since greenhouse gases are not generated, since coal burning is not used.
- Reduces Electricity Bills
- Diverse Applications: solar energy can be used to produce electricity in areas without access to the power grid, distill water in regions with limited clean water supplies, and power satellites in space.
- Low Maintenance Costs: Most solar panel manufacturers offer a 20-25 years warranty. Solar power systems only need to be relatively clean.
There are no moving parts, there is no wear. The inverter is usually the only part that needs to be changed after 5-10 years. It works continuously to convert solar energy into electricity and heat (solar PV vs. solar thermal).
Disadvantages of solar appliances:
- The initial cost of purchasing a solar system is fairly high.
- Weather-Dependent: Solar panels are dependent on sunlight to effectively gather solar energy. Therefore, a few cloudy, rainy days can have a noticeable effect on the energy system.
- Solar Energy Storage Is Expensive: the batteries, used in off-the-grid solar systems, can be charged during the day so that the energy is used at night. This is batteries are expensive.
slove and get brainliest!!!
Answers
In ecosystems, biotic an abiotic factors influence one another. Give three examples of an interaction between a biotic and abiotic factor in any of the marine ecosystems from the chart. (Use the back for more room).
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Answer:
One of the most critical interactions in an ecosystem between the biotic and abiotic environment is photosynthesis, the base chemical reaction that drives most life on earth. Plants and algae use sunlight, water and carbon dioxide to create the energy they need to grow and live via photosynthesis.
Hope this helps!
May you please be able to help me on this
Answers
1. The male superhero cannot teleport. So, the probable genotype is Xt Y
While the female superhero can teleport, but her mother could not. The probable genotype would be XTXt.
In order to get these genotypes for teleporting abilities, we first assign thegenotypes of the parents, which are:
Father- XT Y
Mother (do not have teleporting abilities)- XtXt
What is genetic drift?
The physical splitting of a habitat
The motion of continental plates over time
The production of an evolutionarily independent group of organisms
A change in allele frequencies caused by random events
Answers
Genetic drift refers to the random fluctuation of allele frequencies in a population, which occurs due to chance events. This process is often referred to as the “sampling error” in genetics.
Genetic drift can have a significant impact on small populations, where random events can lead to the loss or fixation of alleles. It is an evolutionary mechanism that can lead to the loss of genetic diversity and the divergence of populations over time.
Genetic drift occurs when the frequency of certain alleles changes randomly from one generation to the next. This process can be caused by several factors, including genetic bottlenecks, founder effects, and random mutations. As a result of genetic drift, some alleles may become more common in a population, while others may become less common or even disappear.
Genetic drift is particularly important in small populations, where chance events can have a significant impact on the genetic makeup of the population. In contrast to natural selection, genetic drift does not lead to adaptations or changes in response to environmental pressures. Instead, it is a purely random process that can cause unpredictable changes in allele frequencies over time.
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Plz help will mark brainliest
Answers
Answer:
12.5 percent
Explanation:
0.125x8,000,000,000 is 1,000,000,000
Select all that apply.
Which of the following statements are not true of carbohydrates?
Answers
Answer:
Triglycerides are the most common type
Explanation:
the term that means tumor of the gland that secretes earwax is
Answers
The term that means tumor of the gland that secretes earwax is ceruminoma. Ceruminoma is the term that means tumor of the gland that secretes earwax. It is also known as aural polyp and can cause complete obstruction of the ear canal leading to hearing loss.
Ceruminomas are rare tumors that are usually benign and are typically located in the ear canal. The exact cause of ceruminomas is unknown, but they are thought to arise from the ceruminous glands that secrete earwax. Another term for ceruminoma is ceruminous gland adenoma.
Ceruminous gland adenomas are more common in dogs than in humans. In humans, ceruminomas are usually found in the ear canal, but they can also occur in the parotid gland. A ceruminous adenoma is a benign glandular neoplasm which arises from the ceruminous glands located within the external auditory canal.
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sequence-based analysis is an alternate method used to identify bacteria and fungal isolates. this methodology uses rrna genes (rdna) and their intergenic regions as common target sites to identify these organisms. which of the following rrna gene target sites is used to identify fungal isolates?
Answers
The sequence-based analysis is an aid plan used to denote tiny organisms and virulent disconnects. This air uses rRNA rates (rDNA) and their intergenic wards as normal factual goals to discern these organic entities.
The little subunit ribosomal RNA (SSU rRNA) quality is the most generally involved sub-atomic ordered marker for microorganisms (16S rRNA for Microscopic organisms and Archaea, and 18S rRNA for Eukaryota).
Anaerobiospirillum succiniciproducens (ANS) was one of the principal microscopic organisms disconnected and displayed to deliver succinic corrosive. Maturations with this severe anaerobe arrived at titers of 50 g/L succinic corrosive.
The 16S rRNA and 18S rRNA qualities are the most often involved focuses for microscopic organisms/archaea and eukaryotes, individually. In light of the variety of ribosomal RNA arrangements, one can investigate the construction of the microbiome with regard to the presence and relative overflow.
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Help again
Why does the dog trainer argue that attempts to train dogs has often failed?
Answers
It's possible that dogs who need emergency care aren't getting enough exercise. Most people drill their dogs with particular behaviours repeatedly to aid in learning, but this only serves to aggravate both the trainer and the dog. Every day and every week throughout dog training, the trainer's patience may be tried. Some dogs just seem to know that if they can hang on, they will win. Children won't have to follow rules or take lessons.
What is dog training?
Dog training is the application of behaviour analysis that modifies a dog's behaviour by using environmental events as antecedents (triggers for a behaviour) and consequences, either to assist the dog in particular activities or carry out particular tasks or to help the dog effectively participate in contemporary domestic life. The emergence of training dogs to be good house pets in the 1950s coincided with suburbanization, despite the fact that training dogs for certain jobs dates back at least to Roman times.
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In an effort to aid in learning, most dog owners constantly drill certain behaviors into their canines, yet this just serves to aggravate both the trainer and the canine.
How should a dog be trained to get the best results?
The majority of veterinarians concur that the most successful form of dog training is positive reinforcement. The main goal of positive reinforcement training is to promote positive conduct in your pet rather than to correct negative behavior.
Dogs display a special sensitivity for learning a wide range of skills, not just social ones but also environmental ones, throughout the socialization stage between the three and twelve weeks of life.
Therefore, some trainers may overuse punishment-based training techniques, which can make dogs fearful and anxious and eventually impede training.
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write four sentences on the basis of the given picture ?
Answers
Answer:
A little girl is playing with her dog with a ball.
An old woman (I could be wrong, it could be the 'mother')brought some drinks to the family.
A man (or the father) is reading a newspaper on his chair by the desk.
A little boy is playing with his grandparents.
Explanation:
if this is not correct, please tell me
PLEASE HELLPPP
Do dominant traits or recessive traits always show?
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Answer:
The traits due to dominant alleles are always observed, even when a recessive allele is present. Traits due to recessive alleles are only observed when two recessive alleles are present. For example, the allele for widow's peak is dominant and the allele for straight hairline is recessive.
The biological influences on organisms within an ecosystem is known as what?
a. biotic factors
b. abiotic factors
c. natural occurrences
d. nature
Answers
Answer:
a. biotic factors
Explanation:
Biotics are organisms that have life and constitute the biota of a community. That is the plants, animals, and microorganisms of a natural system.
It is the factor resulting from the activities of a living being or of any living component in an environment, such as the actions of an organism that affect the life of another organism.
drosophila fruit flies produce gametes with one of each kind of chromosome. these gametes are called
Answers
Drosophila fruit flies produce gametes with one of each type of chromosome. Gametes are the terms used to describe these cells (diploid, haploid).
Each (heterologous, homozygous, heterozygous, homologous) chromosome has one copy of each (allele, gene). These cells have chromosomes that are (1/2N, N, 2N, and 4N).
The typical fruit fly, Drosophila melanogaster, is just around 3 mm long and 2 mm wide. Its color is yellow-brown (tan). It features a spherical head, three tiny simple eyes, three larger red compound eyes, and short antennae. The size difference between the sexes is marginal.
As a result, the female fruit fly will produce two different types of gametes due to the placement of the two genes w m and w + m+ on the pair of X-chromosomes.
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Sounds of over ----- decibels can cause a pain the number of vibration is measured in unit called-----
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The number of vibration is measured in units called Hertz (Hz)
Hert measure the number of sound vibrations.
What are the 3 layers within this organ?
Answers
Answer:
the epidermis, dermis, and the hypodermis
Explanation:
High tide
a. lowest of high tides; occur when the Sun and the Moon are perpendicular to the Earth
b, highest of high tides; occur when the Sun, the Earth and the Moon are all in alignment
c. caused by the gravitational force experienced by the Earth's occans due to the Moon's gravity
d. all forces acting on an object cancel out each other out resulting in no change of motion
Answers
High tide b, highest of high tides; occur when the Sun, the Earth and the Moon are all in alignment
When the tide is high, what happens?The high tide on the side of the Earth that faces the moon is referred to as the "high high tide." The high tide caused by the bulge on the other side of the Earth is referred to as "low high tide." In the huge ocean, the water juts out toward the moon. Along the beach, the water rises and overflows onto the land.
The timing of the tides varies daily by 45 to an hour as the Moon completes its cycle around the Earth. This suggests that high and low tides may and do occur at practically any time of day, regardless of how the tides are timed.
High tides make navigation easier since they raise the water level in the area.
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Engineers are designing a bridge that will better withstand earthquake forces. What is the process called when engineers use a computer to see what happens to their design during an earthquake?
Answers
earthquakes from occurring but we can significantly mitigate their effects by identifying hazards, building safer structures, and providing education on earthquake safety. By preparing for natural earthquakes we can also reduce the risk from human induced earthquakes
What is it called when bacteria take in DNA from their environment?
O A. Conjugation
O B. Transduction
O C. Transformation
O D. Transcription
SUBN
Answers
Answer:
I think it may be C Transformation...I might be wrong though....I'm sorry if I am
Explanation:
Answer:
I believe it's C. Transformation
Explanation:
why must chromosomes form a loop in order to pair during meiosis if one of the homologues has an inversion?
Answers
In order for the homologous regions of the normal and inverted chromosomes to align, the chromosomes must loop and pair during meiosis, where one of the homologs exhibits the inversion.
In order for the inverted region to pair with the corresponding region on the homologous chromosome, it must form a loop allowing the homologs to align along its length. After mating, crossovers occur and parts of the homologous chromosomes are exchanged.
The pairing of homologous chromosomes during meiosis is important for driving genetic variation. Due to the genetic recombination that occurs between homologous pairs during meiosis, the resulting haploid gametes contain chromosomes that are genetically distinct from each other.
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Which is the end result of cytokinesis from a cell undergoing mitosis?
a. one cell that has two identical copies of DNA
b. one cell that has two different copies of DNA
c. two cells that have two identical copies of DNA
d. two cells that have two different copies of DNA
Answers
Answer: C two cells that have two identical copies of DNA
Explanation: Took the test!
the tissue that is specialized to store energy, provide insulation, and provide some protection is:
Answers
The tissue that is specialized to store energy, provide insulation, and provide some protection is adipose tissue.
What is adipose tissue?Adipose tissue, often known as fat tissue, is a specialized connective tissue that is primarily composed of adipocytes. It has a wide range of roles, including energy storage, insulation, and protection of organs.
Adipose tissue is also involved in the production of hormones and cytokines, as well as playing a role in metabolic processes.Adipose tissue is divided into two categories: white adipose tissue (WAT) and brown adipose tissue (BAT). WAT stores energy, while BAT produces heat by burning calories. In mammals, WAT is the most prevalent type of adipose tissue, and it is the form that most people refer to when they refer to body fat.
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In apples, which stage of growth is the most likely to be endangered by a frost at 28 degrees F?
dormant
budding
blossoming
fruiting
Answers
Answer:
blossoming
Explanation:
anthropologist jb kwon has researched factory workers in south korea, and joined his students in anti-racist work during and after the police killing of michael brown. how does kwon explain what these two fieldwork settings have in common?
Answers
Jb Kown, the anthropologist in question, compares the fieldwork settings by their fight for equality.
Such is the case in many countries around the world, South Korea at times struggles to maintain equality in all of its settings, such as in factories. Anthropologist jb Kwon researched factory workers and found that inequality is present in the form of job and wage distribution between men and women.
The anthropologist Jb Kwon compares this with the anti-racist work he took part in after the Micheal Brown incident in that they are both done to argue for equality among all people, regardless of gender, race, or background.
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