Answer:
B) The study of human of skeletons to determine the presence of disease or injuries.
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A mixture of proteins were seperated via gel filtration column, choose the protein that will elute last out of the column Protein A:50kD in size spherical shape Protein B: 50kD in size and rod shape Protein C: 20kD in size and spherical shape Protein D: 20kD in size and rod shape
Protein B, which is 50kD in size and rod-shaped, will elute last out of the gel filtration column.
Supporting answer: Gel filtration chromatography, also known as size exclusion chromatography, separates proteins based on their size. The principle behind this technique is that smaller molecules can enter the pores of the gel matrix more easily, resulting in slower elution, while larger molecules pass through the column more quickly.
In this case, Protein B is both 50kD in size and rod-shaped. The rod-shaped structure implies that it has a more elongated shape compared to the spherical proteins. Due to its elongated structure, Protein B is likely to have a larger hydrodynamic radius (size as perceived by the gel matrix) compared to Protein A, even though they are both 50kD in size.
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Transcriptional control of RNA polymerase II includes all of the following regulatory sequences EXCEPT: A. the TATA box. #################### B. the core promoter. C. the regulatory promoter. D. enhancers. E. Actually, all of these are involved in the transcriptional control of RNA polymerase II.
The correct answer is E. Actually, all of these are involved in the transcriptional control of RNA polymerase II. The core promoter
which includes the TATA box, is responsible for the recruitment of RNA polymerase II to the transcription start site. The regulatory promoter contains binding sites for transcription factor that regulate the rate of transcription. Enhancers are DNA sequences that can be located far from the promoter and can increase the rate of transcription by interacting with transcription factors and RNA polymerase II. All of these regulatory sequences play a crucial role in the control of transcription and ultimately the production of RNA.
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What are the signs of the first period?// I already have lower abdominal pains and my body is changing?
what features are environmental?
Answer:
Temperature, food, pollutants, population density, light and sound
Why would organisms store carboliydrates in the form of polysaccharides rather than as monosaccharaides? What is the difference between a sugar and a polysaccharide?
Organisms store carbohydrates as polysaccharides for efficient and compact energy storage, unlike monosaccharides, which are smaller and less efficient.
Organisms store carbohydrates in the form of polysaccharides rather than monosaccharides because polysaccharides provide a more efficient and compact way to store energy. Monosaccharides, such as glucose, are simple sugars that are readily metabolized and provide quick bursts of energy. However, they are relatively small molecules and cannot be efficiently stored in large quantities.
Polysaccharides, on the other hand, are complex carbohydrates made up of many monosaccharide units bonded together. They are larger molecules and can be compactly stored in cells. Examples of polysaccharides include glycogen in animals and starch in plants. These polysaccharides can be broken down into their constituent monosaccharides when energy is needed. In summary, polysaccharides are preferred for energy storage because they provide a more space-efficient and stable form of energy storage compared to monosaccharides.
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In PROKARYOTES, where does glycolysis, fermentation, and the citric acid cycle occur?
It takes place in the cytoplasm of prokaryotes. Pyruvate is metabolized in the mitochondrial matrix of eukaryotes. Oxidation happens in the cytoplasm of prokaryotes.
An enormous molecule with more than 60 subunits termed pyruvate dehydrogenase complex, an enzyme, is responsible for carrying out the oxidation reaction. Overall, pyruvate oxidation transforms the three-carbon molecule into the two-carbon molecule acetyl CoAstart text, C, o, A, end text, which is connected to Coenzyme A.
This results in a NADHstart text, N, A, D, H, end text and the release of one carbon dioxide molecule. The TCA cycle takes place inside the matrix of the mitochondria, whereas glycolysis happens in the cytoplasm. The citric-acid cycle happens in the cytoplasm of prokaryotic cells.
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Some opiate drugs have molecular structures so similar to endorphins that they mimic endorphin's euphoric effects in the brain, making these opiate drugs which kind of molecule
Some opiate drugs have molecular structures that are so similar to endorphins that they mimic endorphin's euphoric effects in the brain, classifying these opiates as agonists.
A substance used to relieve pain or induce sleep. Opiates are either made from opium as well as contain hashish. Opiates bind to opioid receptors in the brain and spinal cord. Opiates include codeine, heroin, but also morphine. Opiates are a type of analgesic.
Opioids are indeed a type of pain reliever medication. They are indeed very effective in relieving moderate to severe pain for short periods of time. They are also occasionally prescribed for long periods of time to relieve pain in severe conditions.
All opioids have the potential to cause respiratory depression (slow or shallow breathing) as well as overdose death. Methadone is indeed an opioid that's also occasionally used to treat chronic pain.
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We're do volcanoes usually form please help me A within 10 miles of the ocean B between earths mantle and core C at fault lines between tectonic plates D within the boundaries of the U.S.
Describe one unique situation in which you could use an experiment to test a hypothesis about evolution.
Answer:
One unique situation in which an experiment could be used to test a hypothesis about evolution is studying the evolution of antibiotic resistance in bacteria.
Explanation:
Hypothesis: Exposure to antibiotics will lead to the evolution of antibiotic resistance in bacteria populations.
Experiment:
Start with a culture of bacteria that is susceptible to a specific antibiotic.
Divide the bacteria into two groups: a control group and an experimental group.
In the experimental group, expose the bacteria to gradually increasing concentrations of the antibiotic over multiple generations.
In the control group, maintain the bacteria in a controlled environment without exposure to the antibiotic.
Monitor and measure the growth and survival of both groups over several generations.
Regularly sample bacteria from both groups and test their susceptibility to the antibiotic.
Compare the results between the control and experimental groups to determine if the experimental group has developed antibiotic resistance over time.
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how do meiosis i and ii contribute to genetic variation? use the diagram to explain your answer.
Meiosis I and II contribute to genetic variation through two key processes: crossing over during Prophase I and independent assortment during Metaphase I.
In crossing over, homologous chromosomes exchange segments of DNA, creating new combinations of genetic information, this increases the diversity of alleles present in the resulting gametes. Independent assortment occurs when homologous chromosome pairs line up randomly along the metaphase plate during Metaphase I. This random orientation leads to a variety of genetic combinations in the daughter cells following Anaphase I and Telophase I.
Meiosis II, although not directly responsible for genetic variation, ensures that each resulting gamete contains a unique, haploid set of chromosomes. This complements the genetic variation produced in Meiosis I and ensures that when gametes combine during fertilization, offspring will have a diverse genetic makeup. Overall, Meiosis I and II play crucial roles in promoting genetic variation and maintaining a diverse, adaptable population.
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which of the following is not an abnormal component of urine? A. white blood cells C. albumin D. glucose E. urea
help my phones on 3%!! will try to mark brainliest and can someone answwe my other question please!!
you can end up dyiongif lions prey!
What is the periodic table group
The periodic table group is described as a group (also known as a family) or a column of elements in the periodic table of the chemical elements.
What is the periodic table?The periodic table, also known as the periodic table of the elements, is described as a rows and columns arrangement of the chemical elements which is widely used in chemistry, physics, and other sciences, and is generally seen as an icon of chemistry.
There are 18 numbered groups in the periodic table; the f-block columns (between groups 2 and 3) are not numbered.
the modern periodic table was created in 1869 by a Russian chemist called Dmitri Mendeleev who created the framework that became, leaving gaps for elements that were yet to be discovered.
While arranging the elements according to their atomic weight, if he found that they did not fit into the group he would rearrange them.
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What is an analogous structure?
A. a structure that has the same form but
different functions like an arm, fin, and wing
B. a structure that has the same function but
different forms like the wing of a bee and wing of
a bat
C. a structure that used to serve a purpose but
does not have a purpose in modern species
D. a structure that is similar in all developing
embryos
6. What is cell transport?
Will give brainliest if it’s the correct answer!
These pictures are of a small, recently created island in Hawaii. Which stage of succession is this island in?
Intermediate stage
It is impossible to tell
Climax community stage
Pioneer stage
These pictures are of a small, recently created island in Hawaii, the stage of succession is this island in is d. Pioneer stage
Pioneer species, such as lichens and mosses, are usually the first to colonize newly formed land, followed by herbaceous plants and then woody shrubs and trees. These species help to break down rocks and create soil, making it possible for more complex organisms to inhabit the area. As the island continues to develop and support more diverse life forms, it will eventually progress through intermediate stages before reaching the climax community stage, which is the most stable and diverse community of organisms that can be supported by the ecosystem.
However, it is difficult to determine the exact stage of succession based solely on pictures, so it is possible that the island could be in a later stage of succession. So therefore based on the information given, it is likely that the small, recently created island in Hawaii, the stage of succession is this island is d. the pioneer stage of succession.
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Which of the following is not true of the immune system and homeostasis?
The immune system is an independent system that does not interact with the other organ systems.
White blood cells are found in lymph fluid and are used to fight infections.
Immune system fluids are transported to places called lymph nodes.
The immune system is a comprehensive system that functions throughout the body to help other systems maintain homeostasis
The statement that is not true regarding the immune system and homeostasis: 'The immune system is an independent system which does not interact with other organ systems'.
The immune system includes organ systems as well as processes of the body that enables an individual to resist and combat infections and toxins produced by various pathogens. The immune system encompasses organs such as the thymus gland, bone marrow as well as lymph nodes.
The white blood cells or lymphocytes are responsible for fighting infections in the body and lymph or lymphatic fluid carries these cells in the body from one place to another. Lymph nodes act as a filter for the lymphatic fluid.
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As a retail clothing store manager, Randy frequently asks his staff what customers are saying and what they are asking for. He also attends the quarterly clothing show at the regional merchandise mart. Randy's efforts will likely help him to
Randy's efforts will likely help him to identify potential opportunities.
Randy's actions of asking his staff about customer feedback and attending the quarterly clothing show at the regional merchandise mart are geared towards understanding customer preferences, trends, and demands. These efforts are likely to help him identify potential opportunities for his retail clothing store.
By actively seeking information from his staff about what customers are saying and asking for, Randy gains insights into their needs, preferences, and concerns. This feedback can help him identify gaps in the market or areas where his store can meet customer demands more effectively. It allows him to stay informed about current trends and customer preferences, enabling him to make informed decisions regarding the merchandise selection, marketing strategies, and overall store operations.
Attending the quarterly clothing show provides Randy with exposure to new fashion trends, emerging brands, and industry insights. This allows him to stay up-to-date with the latest developments in the clothing industry and potentially spot new opportunities for his store, such as introducing popular brands or incorporating new fashion trends into the store's offerings.
In summary, Randy's efforts to gather customer feedback and stay informed about industry trends through the merchandise mart help him identify potential opportunities that can contribute to the success and growth of his retail clothing store.
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The complete question is:
As a retail clothing store manager, Randy frequently asks his staff what customers are saying and what they are asking for. He also attends the quarterly clothing show at the regional merchandise mart. Randy's efforts will likely help him to
Select one:
a. implement just-in-time marketing promotions.b. avoid cognitive dissonance.c. achieve cost savings.d. identify potential opportunities.e. avoid the need to understand regional culture.please help it's overdue and I don't understand this biology assignment (100 points pls!)
The codon for proline is altered to a stop codon in the first modified strand, resulting in a nonsense point mutation. The codon for aspartic acid is altered to the codon for serine in the second mutant strand, which is a missense point mutation.
Do nonsense mutations count as missense changes?A protein coding area mutation may have a variety of impacts. Nucleotide substitutions can change the amino acid sequence or result in silent mutations, which do not affect the protein sequence.
If the first codon is altered, what happens?As is customary, the mutant mRNA would be sent to the ribosomes in cases of start codon mutation, but translation would not occur. This is due to the fact that an initiation codon initiates translation.
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what is the cell theory
Answer:
a theory in biology that includes one or both of the statements that the cell is the fundamental structural and functional unit of living matter
What evidence supports the idea that an evolutionary relationship exists between two hominid species?
Bone density of the species
Mitochondrial DNA of the species
Number of teeth of the species
Geographic location of the species
Answer:
Your answer will be Mitochondrial DNA of the species. I hope this helps.
Explanation:
The evidence that mitochondrial DNA of the species supports the idea that an evolutionary relationship exists between two hominid species. The correct option is B.
What is evolutionary relationship?Relationships formed through the worldwide process of evolution between two separate creatures are known as evolutionary relationships.
They are, in other words, the connections between two species that shared an ancestor.
A group of organisms' evolutionary relationships and histories are known as its phylogeny in science.
A phylogeny describes the relationships between creatures, including where they are assumed to have originated from, which species they are most closely related to, and other information.
Purple non-sulfur bacteria were permanently enslaved to create mitochondria.
Through the development of sophisticated protein-import machinery and the insertion of protein carriers for host energy extraction into their inner membranes, these endosymbionts developed into organelles.
Thus, the correct option is B.
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which is the largest flying parrot species in the world that leaves you in awe with it bright blue feathers?
Answer:
The Blue Macaw
Explanation:
Tetrodotoxin (TTX) and botulinum toxin (BTX) are two neurotoxins that causes paralysis. What is(are) the underlying mechanism(s)? a) Both block the voltage-gated Na+ channels to inhibit the firing of
Tetrodotoxin (TTX) and botulinum toxin (BTX) are two neurotoxins that cause paralysis. The underlying mechanisms are given below:a) Both block the voltage-gated Na+ channels to inhibit the firing of action potentials.
Both tetrodotoxin (TTX) and botulinum toxin (BTX) block voltage-gated Na+ channels to inhibit the firing of action potentials, which results in paralysis. Tetrodotoxin (TTX) is a potent neurotoxin that is found in pufferfish, whereas botulinum toxin (BTX) is produced by the bacteria Clostridium botulinum.
Both neurotoxins inhibit the release of neuro transmitters from nerve endings in muscles. TTX inhibits the release of acetylcholine (ACh) by blocking voltage-gated Na+ channels in the axons of nerve cells that supply the muscles. Botulinum toxin (BTX) prevents the release of ACh from nerve endings by blocking the docking of vesicles containing ACh with the plasma membrane of the nerve ending. As a result, muscle contraction is prevented, leading to paralysis.
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Which of the following is a stressful environmental condition found in degraded areas of New York City? a. The soils are more contaminated, compacted, and disturbed. B. There are too many essential organisms in the soil. C. Surrounding wetlands absorb water too quickly. D. Brownfields tend to be cooler and drier than other areas. Please select the best answer from the choices provided A B C D.
The stressful environmental condition found in degraded areas of New York City is the soils are more contaminated, compacted, and disturbed.
Soils in degraded areas are often highly polluted by heavy metals, petroleum hydrocarbons, and other pollutants. This makes the soils less fertile and less able to support plant growth.
Degraded areas in New York City are characterized by a stressful environmental condition where the soils are more contaminated, compacted, and disturbed. This soil pollution caused by heavy metals, petroleum hydrocarbons, and other pollutants makes the soils less fertile and less able to support plant growth. Therefore, it is important to restore the health of degraded soils to improve the urban landscape.
The stressful environmental condition found in degraded areas of New York City is caused by the contamination, compaction, and disturbance of soils. Such soils are not suitable for plant growth and may pose a risk to human health. Therefore, it is essential to remediate degraded soils to improve the health of the urban environment.
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Describe how a sample of cow's milk could be tested for protein
Answer:
What would have been the benefits to owning land for Maria Van Angola? ... We have no portraits or images of the enslaved and free Africans in New.
Explanation:
Which of the following types of microscopy are known for their ability to support the creation of three-dimensional images? Select all that apply. Light microscopy Standard fluorescence microscopy Confocal microscopy Scanning electron microscopy
The following types of microscopy are known for their ability to support the creation of three-dimensional images are C. Confocal microscopy and D. Scanning electron microscopy
The reason why these types of microscopy are known for their ability to support the creation of three-dimensional images is because of the way they capture images. Confocal microscopy is a light-based microscopy technique that provides three-dimensional images of thick specimens by eliminating out-of-focus light from the specimen. Confocal microscopy is capable of achieving high spatial resolution and has been used in a variety of scientific and medical research applications, including studies of cell biology, neuroscience, and tissue engineering.
Scanning electron microscopy is an imaging technique that uses a focused beam of electrons to produce images of the surface of a sample. In scanning electron microscopy, the electron beam is scanned across the surface of the sample, and the electrons that are scattered from the surface are detected and used to create an image. Scanning electron microscopy is capable of providing high-resolution images of the surface of a sample and is commonly used in materials science, biology, and other fields of research. So therefore the correct answer is C. Confocal microscopy and D. Scanning electron microscopy are the types of microscopy known for their ability to support the creation of three-dimensional images.
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13. The synthesis of ATP from ADP results in:
a. ADP released
b. ADP storage
C.energy released
D. energy storage
Answer:
C
Explanation:
Energy is released because the bonds are broken.
Frameshift mutations are more likely than point mutations to have an impact at the phenotypic level because:
frameshift mutations are the result of a change in a single nucleotide.
frameshift mutations are the result of exposure to radiation.
frameshift mutations produce a protein having no function.
frameshift mutations are mobile pieces of DNA.
Frameshift mutations shift the reading frame, leading to a different protein sequence that is usually non-functional, impacting phenotypes.
Frameshift transformations are more probable than direct changes toward have an effect at the phenotypic level on the grounds that frameshift changes shift the perusing edge of codons in the DNA grouping, causing a change in the amino corrosive succession of the subsequent protein.
This outcomes in something else entirely item, which is normally non-utilitarian or just somewhat practical, which can have a huge effect at the phenotypic level. In this manner, the choice "frameshift transformations produce a protein having no capability" is the right response. Different choices recorded are not really valid for all frameshift changes.
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Would you expect isolated mitochondria to be able to carry out the oxidation of glucose with the accompanying production of ATP
Yes, isolated mitochondria are capable of carrying out the oxidation of glucose with the corresponding production of ATP.
The mitochondria are the primary site of cellular respiration and produce ATP via oxidative phosphorylation, which occurs within the inner mitochondrial membrane (IMM).
When glucose is oxidized through glycolysis, the resulting pyruvate enters the mitochondria, where it is converted to acetyl-CoA via the pyruvate dehydrogenase complex.
Acetyl-CoA then enters the citric acid cycle and is oxidized to produce NADH and FADH2, which are utilized in the electron transport chain (ETC) to generate a proton gradient across the IMM.
This proton gradient is then used to drive ATP synthesis by the ATP synthase enzyme. Therefore, isolated mitochondria are able to carry out glucose oxidation and ATP production via oxidative phosphorylation.
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for this problem, you may want to create a punnett square on a separate piece of paper. assume brown eyes are dominant to blue eyes and dimples are dominant to no dimples. john has brown eyes, and his mother has blue eyes. john does not have dimples. zena has blue eyes and also has no dimples. what are the chances if this couple have children, they will produce a child with blue eyes and no dimples?
If this couple have children, there are 10% chances that they will produce a child with blue eyes and no dimples.
What is dihybrid cross?
Mating experiment between two organisms that are identically hybrid for two traits is called as dihybrid cross. In other words it is the cross between two organisms where both organisms are heterozygous for different traits.
Dominant and Recessive traits:
Bb = Brown eyes
bb = Blue eyes
Dd = dimples
dd = no dimples
parents genotype = Bbdd × bbDd
For above dihybrid cross image is attached:
Thus, there are 10% chances of having child with blue eyes and no dimples.
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