The processes of myelination and synaptic pruning make neural processing faster and more complex during the transmission of nerve impulses by means of the nervous system.
What is mylienation ?Myelination is the process that describes the mechanism by which nerve cells become wrapped by layers of myelin. These layers of myelin confer the isolation that is necessary for electrical nerve impulses to be transmitted.
On the other side, the process of synaptic pruning involves the removal of synapses throughout development that are present in excess.
Therefore, we can deduce from these findings that synaptic pruning and myelination are essential processes throughout the development of the nervous system, which is responsible for the transmission of impulses throughout the body.
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what is the handshape for the dominant hand in the sign show-up? s-handshape 1-handshape 2-handshape b-handshape
The dominant hand begins from a few inches above the base hand, circles while slapping downward, and then rises a few inches. C handshapes are used to create the word GROUP.
The term "handshape," or "Dez," in sign languages describes the particular positions that the hands take when they are used to make words. It is referred to as the DEZ, or designator, in Stokoe language.
For instance, when writing or sketching, the preferred hand supports the page with the other hand while the favored hand holds the pencil. Some people use the terms "hand dominance" or "dominant hand" to describe the preferred hand.
The ability to control your hands is crucial for skill mastery.
An index finger suddenly appears between the fingers of the palm-down base hand to signify "show up."
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Marine Science
Why do you think satellites are placed in the thermosphere?
Satellites are placed in the thermosphere because the temperature of the thermosphere can attain almost 2,000 stages Celcius (3,632 degrees Fahrenheit), there aren't enough fuel molecules to transfer the heat to materials, which is why astronauts and the distance Station do not soften.
No natural objects are determined in the thermosphere other than an occasional meteorite passing thru. but, many satellites may be observed in the thermosphere, particularly a number of the ones in low-earth orbit as well as parts of these especially elliptical orbits.
Radiation reasons the air particles in this layer to end up electrically charged, allowing radio waves to dance off and be obtained past the horizon. The few molecules which can be present in the thermosphere get hold of splendid quantities of electricity from the solar, inflicting the layer to heat to high temperatures.
Many satellites orbit within the thermosphere and changes within the density of air at orbital altitudes, introduced by using heating and expansion of the thermosphere, generates a drag force on satellites.
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Answer:
The International Geophysical Year (IGY) was prompted by a lack of concise data about Earth and its land, oceans, and atmosphere. Post-World War II technology had become available to launch a worldwide research effort to solve questions concerning the physical processes, patterns, and cycles of the forces of nature—the geophysics of the earth. During the IGY, global cooperative research expanded knowledge of Earth itself, the lower and upper atmosphere, the oceans, the polar regions, and near space, where the first satellites orbited successfully.
Through the nineteenth century marine and polar exploration had highlighted the earth as a natural laboratory for research and brought new emphasis to the development of modern Earth sciences—geology, meteorology, and oceanography. The mystery of the polar regions stimulated the first cooperative, multinational scientific effort, the International Polar Year (1882-1883), but it was hardly international and consisted of failed expeditions. The world's scientific community tried again during the Depression, but many countries could not honor their commitments. The end of World War II, however, brought a new technological age.
Explanation:
macromolecules are small molecules that contain four main classes of larger biological molecules that consist of double-bonded units.
a. True
b. False
False, macromolecules are small molecules that contain four main classes of larger biological molecules that consist of double-bonded units.
Macromolecule, any very large molecule, often having a diameter between 100 and 10,000 angstroms (10-5 to 10-3 mm). The molecule is the tiniest portion of the chemical that nonetheless has its distinctive features. In contrast to the typical molecule, which typically has a diameter of less than 10 angstroms (106 mm), the macromolecule is such a unit but is far larger. Macromolecular units are used to create a wide range of materials, including plastics, resins, numerous synthetic and natural fibres (such as nylon and cotton), rubbers, and the physiologically significant proteins and nucleic acids. In comparison to regular molecules, macromolecules are made up of a lot more atoms. For instance, the polymeric polyethylene molecule has up to 2,500 two-membered methylene groups.
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In which direction is the water going in each of the images of red blood cells below? Explain
your answer.
Hypertonic
Isotonic
Hypotonic
Answer:
hypotonic i think
Explanation:
Choose one of the following scenarios and answer the questions provided. Support your answers using scientific reasoning and discussing
possible impacts to individuals, society, and the environment. Be sure to also discuss any medical or ethical issues that may apply.
Scenario 1:
Genetic engineering can be used to create more productive strains of farm animals. By adding genes to an animal's DNA, the animal can be
made to produce milk or meat containing vital nutrients that would not be found naturally in those products. This provides a greater
amount of nutrients per serving of milk or meat.
Do you think that this type of genetic engineering should be pursued? Explain your answer.
What are some possible impacts (positive and negative) of this type of genetic engineering on individuals, society, and the environment?
Scenario 2:
In the future, doctors may be able to evaluate your DNA to check for genetic markers related to specific medical conditions or harmful
reactions to medications. Your personalized genetic profile could be kept on record and referred to in order to develop personal medical
treatment based on your unique DNA sequencing. Scientists have found that just small variations in a specific section of your DNA can help
determine how well some Iedications can work for you or they would be beneficial at all,
Would you want to have your DNA profile kept in your medical record as a reference for your doctors? Explain your answer.
What are potential pros and cons of having such tests done and referring to DNA sequences when determining a patient's medical
treatment?
Describe how the availability of this technology might affect the frequency of genetic diseases in individuals and populations.
Scenario 1:The exchange of genetic material between species poses possible health risks for both people and animals.
There is a chance that genetically modified animals might transmit new illnesses to non-genetically modified animals and perhaps people.
Scenario 2:The biggest benefit is that early identification might stop more serious illness manifestations or stop a couple from having a sick kid.
The biggest drawback is that if someone is unaware of an elevated chance of contracting a condition that has no known treatment, it might result in psychological stress.
What are genetic engineering's benefits and drawbacks?Plants and animals might become stronger and healthier thanks to genetic engineering. More plants and animals might have mutations or birth abnormalities that endanger the species. Even when the intended ailment is addressed, gene treatments can result in other genetic problems, as we have previously observed in people.
What use does DNA testing serve?The medical treatment you or a member of your family receives may alter as a result of genetic testing, which has various applications in medicine. For instance, genetic testing can diagnose a genetic disorder like fragile X or reveal your risk of contracting cancer. There are several kinds of genetic testing.
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The volume of 100 grams of a substance is 100 milliliters.
Calculate the density. What might this substance be?
It is determined by the equation density = mass/volume (density = mass/volume). So, if you know a substance's mass and density, you can calculate its volume by dividing the mass by the density (volume = mass/density).
No matter how much kids weigh—100, 50, 25 mL, or anything else—water has a constant density of 1 g/cm3.
100 grams make up 100 milliliters of water. The mass of a volume of water can be easily calculated because one gram equals one milliliter of water.
Although density can be calculated using any units of mass and volume, grams (g) and milliliters are the most used (ml). This converts density into grams per milliliter (g/ml) measurements.In essence, the volume of a form is equal to the sum of its area and height. Height x Base Area equals Volume. Finding the volume is simple for forms with flat surfaces, such as cubes and cuboids.The capacity of an object is measured by its volume. For instance, if a cup can fully accommodate 100 ml of water.The capacity of an object is expressed in terms of volume. A cup's capacity is said to be 100 ml, for instance, if it can hold 100 ml of water in its brim. The quantity of space a three-dimensional item takes up can also be referred to as volume.
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a blank is all members of a species living in the same place at the same time
If a neuron receives a lot of inhibitory signals from many other neurons, how is it most likely to respond?.
Answer: if excitation exceeds a certain threshold, the neuron firesa single outgoing signal
Aerobic respiration captures energy from the oxidation of ______ and reduction of ______ and stores the captured energy in the bonds of atp.
Aerobic respiration captures energy from the oxidation of glucose and reduction of oxygen and stores the captured energy in the bonds of ATP.
What is the process of aerobic cellular respiration?The process of aerobic cellular respiration is a series of metabolic steps by which a cell can generate ATP (the energy coin of the cell) in presence of oxygen.
Therefore, with this data, we can see that the process of aerobic cellular respiration requires glucose which is oxided and oxygen which is reduced in order to generate high-energy ATP molecules.
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How could you determine whether the water that a plant uses during photosynthesis comes from soil or from the atmosphere?
The water that a plant uses during photosynthesis comes from soil or from the atmosphere if we can place a plant in dry soil having no water.
Why water is used during photosynthesis?Because plants produce oxygen which is invisible and has no smell, so the experiment is usually carried out with water plants; the bubbles of oxygen produced are observed. The leaves of plants, such as lotus and water lilies get direct sunlight during photosynthesis process. These types of marine plants that do not require special adaptations to perform photosynthesis. They can take in carbon dioxide from the air and release oxygen into the soil atmosphere. These are the gases that found in the air space between soil components. The separation between solid soil particles, if they do not contain water photosynthesis, is filled with air. The main soil gases are nitrogen, carbon dioxide, and oxygen.
So we can conclude that during photosynthesis, plants absorb carbon dioxide from air and water from soil.
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Which atom has the lowest electronegativity?
Answer: iodine
Explanation: So, iodine has the lowest electronegativity. Fluorine has the highest electronegativity followed by chlorine, bromine and then with the least reactivity we have iodine,amongst the given options. Hence, option D is correct. Note: The noble gases i.e. group 18 elements have no electronegativity.
Answer:
Francium
Explanation:
In which cell organelle does aerobic cellular respiration occur?
A. Chloroplast
B. Lysosome
C. Mitochondria
D. Golgi body
Answer:
Mitochondria
Explanation:
In the mitochondria, cellular respiration occurs in the mitochondrial matrix through the Krebs cycle to form ATP, FADH2 and NADH.
What is a characteristic of meiotic cell division?
Gametes are produced as a result of cell division.
One of the fundamental properties of meiotic cell division is that it produces four haploid daughter cells, each with half the chromosome number of the parent cell.
Meiotic cell division is divided into two phases: interphase or pre-meiotic phase and meiotic phase.
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what are the pros and cons of clear cutting
Answer:
Pro: Financial Reasons. Clearcutting advocates argue that the method is the most efficient for both harvesting and replanting trees. ...
Con: Effects on Plant and Wildlife. ...
Pro: Increased Water Flow. ...
Con: Loss of Recreation Land. ...
Pro: Increased Farmland.
Explanation:
No exp
This figure shows a replication bubble with two replication forks. The dna in the region of the arrow would support the synthesis of _______ strand of dna.
The DNA in the region of the arrow would support the formation of the lagging strand of DNA.
The lagging strand is synthesized in 5'→3' direction in the form of small fragments away from the replication fork whereas, the leading strand is synthesized towards the replication fork in 5'→3' direction in a continuous fashion.
The question is incomplete. The complete question is:-
This figure shows a replication bubble with two replication forks. The DNA in the region of the arrow would support the synthesis of _______ strand of DNA.
either the leading or the lagging,
the lagging,
the leading,
neither the leading or lagging.
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Which statement is true of the Y chromosome?
OA. Only females can inherit two of them.
B. Only males can inherit two of them.
C. It is inherited only by females.
OD. It is inherited only by males.
ASK What questions do you have about how the chromosomes are sorted during
meiosis? Discuss the answers to your questions with a partner.
During meiosis l, homologous chromosomes pair up together with each other. When the homologs are divided into daughter cells, the chromosomes are arranged arbitrarily into daughter cells. If alleles of various chromosomes, then they group independently.
What is Meiosis?
Meiosis is a sort of cell division in physically replicating life forms that diminishes the quantity of chromosomes in gametes (the sex cells, or egg and sperm). In people, body (or physical) cells are diploid, containing two arrangements of chromosomes (one from each parent). To keep up with this express, the egg and sperm that join during preparation should be haploid, with a solitary arrangement of chromosomes. During meiosis, every diploid cell goes through two rounds of division to yield four haploid little girl cells — the gametes.
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Fermentation is important, because it allows glycolysis to continue making when oxygen is unavailable for cellular respiration.
Fermentation removes from NADH and recycles NAD+ to glycolysis.
Fermentation takes place in your muscle cells during , when not enough oxygen is available.
Fermentation is an anaerobic process, because it occurs without .
Fermentation is involved in the production of ATP by allowing glycolysis to take place. Glycolysis yields net ATP.
Word Bank:
two oxygen electrons electrons ATPoxygen ATP two hard exercisehard exercise
Blank 1:
Lactic acid can be produced by your muscle cells to provide you with energy when performing strenuous physical activity. Thus, option D is correct.
What is the importance of fermentation in muscle cell?While the other two steps of aerobic respiration are not involved, glycolysis is. Fermentation is carried out by several bacteria and yeasts.
Recall that a glucose molecule is split into two pyruvate molecules during glycolysis, yielding a net gain of two ATP and two NADH molecules.
Therefore, Fermentation is involved in the production of ATP by allowing glycolysis to take place. Glycolysis yields net ATP.
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(ANSWERED)Suppose you seal a house plant in a transparent glass container. What about the scenario would lead to the plant's death?
1. A lack of sugars
2. A lack of oxygen
3. A lack of light
4. A lack of carbon dioxide (Correct Choice)
I already did this quick check and got it right! Just wanted to help out and share the answers
Answer:
you are correct but it can also be lack of sunlight or light
The genetic code specifies the relationship between the sequence of nucleotides in blank______ and the sequence of amino acids in a polypeptide.
Answer: genetic code, the sequence of nucleotides in deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) determine the amino acid sequence of proteins.
Attached to the skeleton and surrounding the openings of the urinary and gastrointestinal traces are locations of ______ muscle.
According to the research, the correct answer is Skeletal. Attached to the skeleton and surrounding the openings of the urinary and gastrointestinal traces are locations of skeletal muscle.
What is Skeletal muscle?It is an abundant tissue that is located in multiple parts of the human body, since it is responsible for producing contractions.
In this sense, these muscle tissues are made up of muscle fibers with their respective actin and myosin filaments and are located in the upper and lower extremities, in the trunk, head, neck and face.
Therefore, we can conclude Skeletal muscle are tissues that are attached to the skeleton that, according to their location and the arrangement of their fibers, are present throughout the body.
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50 POINTS!!! ASAP
Insulin and glucagon are hormones that affect blood sugar levels. The diagram below shows the feedback system used by the human body to increase and decrease blood sugar levels. Which of the following is NOT true about this system?
It is regulated by hormones in the pancreas.
It is a positive feedback loop.
It is used to bring about homeostasis.
It is used to maintain blood sugar levels.
Answer:
It is a positive feedback loop.
Explanation:
The body is having to act against a previous thing that happens in the body, or it has to counteract a variety of properties.
Diseases or conditions with respects to the structure and functions of the macromolecules
The conditions which are associated with macromolecules include Alzheimer's, Parkinson's and Pompe disease. These diseases results due to accumulation of macromolecules.
What are macromolecules?A macromolecule is a very large molecule which is important in the biophysical processes. Macromolecules include protein and nucleic acids. These are composed of thousands of covalently bonded atoms.
The diseases and conditions associated with macromolecules accumulation include neurodegenerative diseases such as Alzheimer's, Parkinson's and Huntington's disease associated with the accumulation of proteins and the Pompe disease associated with glycogen accumulation, whilst lipid accumulation is characteristic to Niemann-Pick disease.
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Astronomers can use satellites to study stars
False
Explanation:
NASA uses telescopes to study stars
area-based methods often make use of sampling areas of a defined size called
Area-based methods often make use of sampling areas of a defined size called quadrat.
The classic technique for studying ecology, particularly biodiversity, is quadrat sampling. In most cases, a set of squares (quadrats) of a certain size are placed in an interesting habitat, and the species that live in those quadrats are recorded and identified. Passive quadrat sampling, in which the organisms found within the quadrat are left alone, can be carried out either manually, with researchers carefully sorting through each quadrat, or more effectively, by photographing the quadrat for future analysis.
The number of organisms found per quadrat and the area of each quadrat can be used to calculate abundances at the study site. Quadrat methods are tried-and-true methods of sampling that work best in coastal areas where it's easy to get to a habitat.
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Record details about what you observe…what do they look like?:
One of the enzymatic results of the pyruvate oxidation stage of cellular respiration is the reduction of _____ to _____.
One of the enzymatic results of the pyruvate oxidation stage of cellular respiration is the reduction of NAD+ to NADH.
Cellular Respiration- The process through which organisms utilize oxygen to breakdown food molecules in order to obtain chemical energy for cellular processes is known as cellular respiration. The cells including animals, plants, the fungi, as well as those of algae and other protists, all engage in cellular respiration.
Enzyme- A biological catalyst called an enzyme is usually always a protein. It accelerates a certain chemical reaction inside the cell. The enzyme is continuously employed throughout the reaction and isn't destroyed.
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Bacteriophage replication differs from animal virus replication because only bacteriophage replication involves.
Bacteriophage replication differs from animal virus replication because only bacteriophage replication involves attachment to specilic receptors_ assembly of viral components.
What is the difference between a bacteriophage and a virus ?An organism that can infect cells. Plant viruses also infect plant cells, and human viruses also infect human cells. Bacteriophage - A phage is another name for a virus that affects bacteria. DNA. The molecule that contains all the genetic material required to make proteins
The capsid of the majority of animal viruses enters the host cell, in contrast to bacteriophages, which only allow their DNA or RNA to enter the host cell.While animal viruses use two different techniques for release depending on the kind, bacteriophages are released by lysis of the host cell animal virus are released by lysis, and enveloped animal virus are released by budding mechanism).Learn more about Bacteriophage and Virus here:
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Please help me, I'm stuck
From the image of the earth given, the approximate amount of insolation for 66.5°N is 12 hours (Option A). See the definition of insolation below.
What is insolation?Radiation from the sun received in the Earth's atmosphere or at its surface is referred to as insolation. Only around 52% of this insolation makes it to the earth's surface. The remainder is absorbed by water vapor, dust, and clouds, or is reflected by the Earth's surface and dispersed by airborne particles.
Thus, understanding insolation (the quantity of energy that falls on a certain region) is critical for optimizing the output of solar panels, which absorb and convert this energy. Understanding insolation numbers can help you identify aspects like the geographic placement of solar panels and orientation to optimum production.
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q4.19. based on your experiments with water potential, which tree would be least likely to experience water stress?
According to the given statement on your experiments with water potential is a tree whose trunk is unusually tall.
What do you mean by water stress?When demand for water exceeds supply during a specific period of time or when poor quality limits use, water stress results. Fresh water supplies deteriorate due to water stress in terms of amount (aquifer over-exploitation, dry rivers, etc.)
Why is there less water stress?Unsurprisingly, one of primary causes of the world's water crisis is climate change. The regions that are the most susceptible to the effects of climate change are frequently already water-stressed. Such include Somalia's prolonged drought or Bangladesh's increasingly severe monsoons.
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