Klinefelter's syndrome is a result of chromosomal nondisjunction mutations.
What is Klinefelter's syndrome?Klinefelter's syndrome is a result of the presence of an extra X chromosome in germinal cells.
In genetics, this type of mutation is referred to as chromosomal nondisjunction (aneuploidies).
In conclusion, Klinefelter's syndrome is due to chromosomal nondisjunction.
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A tree enters the early stages of reproduction during the early spring months when it blooms. What stage of its life cycle is it in?
Answer:
the answer is sprout btw i took this test it said its correct
The Southern Oscillation is in a negative phase when pressures are: Group of answer choices low in both Tahiti and Darwin equal out in both Tahiti and Darwin higher in Tahiti than in Darwin are higher in Darwin than in Tahiti
The Southern Oscillation is in a negative phase when pressures are higher in Darwin than in Tahiti.
The Southern Oscillation Index (SOI) is a standardized index that is derived from the observed changes in sea level pressure (SLP) between Tahiti and Darwin, Australia. This index is used to predict future weather patterns. During El Nio and La Nia events, the SOI is one measurement of the large-scale fluctuations in air pressure that occur between the eastern and western tropical Pacific. These changes can be attributed to the Southern Oscillation. In general, when time series of the SOI are smoothed, a very good correlation with variations is seen in the temperatures of the oceans throughout the eastern tropical Pacific. The negative phase of the SOI indicates that the air pressure in Tahiti is lower than normal while the air pressure in Darwin is higher than normal. Extended periods of negative Southern oscillation index values coincide with ocean temperatures over the eastern tropical Pacific that are abnormally warm (cold), which is typical of El Nio (La Nia) events.
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With regard to maintaining homeostasis, in a positive feedback situation the stimulus is:______.
With regard to maintaining homeostasis, in a positive feedback situation, the stimulus is reinforced.
If we study a system in homeostasis, the positive comments loop moves a system similarly away from the goal of equilibrium. It does this by means of amplifying the consequences of a product or event and occurs when something needs to take place quickly.
In positive comments mechanisms, the original stimulus is promoted in place of negated. positive feedback increases the deviation from a really perfect regular cost.
The system of exertions and childbirth is perhaps the most-noted instance of positive remarks. In childbirth, when the fetus's head presses up in opposition to the cervix, it stimulates nerves that inform the brain to stimulate the pituitary gland, which then produces oxytocin. Oxytocin reasons the uterus to agree.
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Select the correct answer. in cellular respiration, where do the high-energy electrons that move through the electron transport chain originate? a. water b. nadh and fadh2 c. nad and fad d. glucose
Answer:
the answer is nadh and fadh
Explanation:
High-energy electrons are released from NADH and FADH2, and they move along electron transport chains, like those used in photosynthesis. The electron transport chains are on the inner membrane of the mitochondrion. As the high-energy electrons are transported along the chains, some of their energy is captured.
The _____ maps patterns of blood flow, oxygen use, and glucose consumption in the brain.
Answer: PET scan, positron-emission tomography
The PET scan, positron-emission tomography maps patterns of blood flow, oxygen use, and glucose consumption in the brain.
An imaging test called a positron emission tomography (PET) scan enables your doctor to look for disorders inside your body. A specific dye with radioactive tracers is used during the scan. Depending on the area of the body being investigated, these tracers may be ingested, breathed, or administered via injection into a vein in your arm.PET scans are used to find early indications of heart disease, cancer, and brain issues. Infected cells are discovered using an injectable radioactive tracer. A PET-CT combo scan generates 3D pictures for a more precise diagnosis.Measure essential processes like blood flow, oxygen consumption, and blood sugar (glucose) metabolism with a PET scan. Find the organs and tissues that aren't functioning properly. To determine the extent of the cancer, find malignant tumor cells.learn more about PET scan here: https://brainly.com/question/7436350
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A water molecule has the ability to form up to _____ hydrogen bonds with other water molecules
Answer:
A water moecule has the ability to form up to oxygen atoms and hydrogen bonds with other water molecules.
At Plantsman's Eden Nursery, new workers are trained in the proper techniques of planting rooted cuttings. As part of the training, after being given basic instructions regarding planting, each worker is given 10 seedlings to plant. Their planting techniques are then evaluated by the trainer. In the context of instructional strategies, this scenario best exemplifies _____.
Planting techniques in the context of instructional strategies are best exemplified by active practices.
What are active practices?The expression 'active practices' makes reference to the techniques used to instruct the steps in a given procedure.
Active practices are well known to increase the productivity of a process by increasing its efficiency.
In conclusion, Planting techniques in the context of instructional strategies are best exemplified by active practices.
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What does microbacteria in soil do?
produces inorganic material
breaks down minerals
protects the soil from predators
Answer: Microbacteria breaks down minerals
Answer:
Breaks down minerals
Explanation:
Micro bacteria in soil helps break down minerals. For example, bacteria lives on plant roots and breaks down nitrogen, allowing it to be used for the plant.
Some white fat cells can undergo a process known as browning as they take on characteristics of brown fat, most notably the activity of uncoupled proteins. What are these fat cells called
According to the research, brite adipocytes take on characteristics of brown fat, most notably the activity of uncoupled proteins.
What are adipocytes?They are a type of cell that are located exclusively in the adipose tissue of the areas that are responsible for accumulating fat.
Brite adipocytes are those adipose cells similar to brown adipocytes that can accumulate in the classic deposits of white adipose tissue.
Therefore, we can conclude that according to the research, brite adipocytes take on characteristics of brown fat, most notably the activity of uncoupled proteins.
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The passengers in a roller coaster car feel 50% heavier than their true weight as the car goes through a dip with a 40 m radius of curvature.
The speed of the car at the bottom of the dip given the parameters in the equation is; v = 7 m/s
Since the motion is circular, it means that the acceleration of the car will be acting towards the centre of the circle and as a result the acceleration will be acting upwards with the formula; a = v²/rNow, if the mass of a passenger is denoted as m, then the net force on the passenger will be;F = mv²/r
Also, in the roller coaster, two other forces are acting which are the force of gravity(F_g) acting downward and also the force of the seat(F_seat) acting upwards. Thus, from equilibrium of forces, we can say that;F_seat - F_g= mv²/r
Where F_g= mg.
Thus; F_seat - mg mv²/r
1.5mg - mg mv²/r
divide through by m to get; 0.5g = v²/r
Plug in the relevant values;
0.5(9.8) = v²/10
v² = 0.5 x 9.8 × 10
v² = 49
v = 7
The speed of Car is 7 m/s
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Which part of the plant body serves as anchorage to the plant?
The part of plants that serves as anchorage is the root.
What anchors plant?Plants can grow on different media ranging from soil, rocks, to water.
The primary organ that anchors plants to these growing media is the root.
Plant roots also serve to conduct mineral nutrients and water from growth media to the body of the plants.
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Lifting a stone with the tip of foot is?
Dorsiflexion is the backward bending and contracting of your hand or foot.
What is Dorsiflexion ?Dorsiflexion is the backward bending and contracting of your hand or foot. This is the extension of your foot at the ankle and your hand at the wrist.
You can also dorsiflex your fingers and toes, though usually the term is referring to your wrist or ankle.Dorsiflexion is where the toes are brought closer to the shin. This decreases the angle between the dorsum of the foot and the leg.For example, when walking on the heels the ankle is described as being in dorsiflexion.
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What factors influence a region’s photosynthetic productivity? sunlight and depth nutrients and sunlight temperature and density salinity and sunlight
Nutrients and sunlight affect a region's photosynthetic productivity.
What do you understand by photosynthetic productivity?
The rate during which energy is added to organisms as biomass (the quantity of material that makes up animals' bodies) in producers in an ecosystem is known as photosynthetic productivity, also referred to as primary productivity.
These organisms that make energy through photosynthetic processes rely on getting access to nutrients and sunlight. Photosynthetic organisms' output and efficiency can be gauged. This is known to as photosynthetic productivity (or primary productivity), and it is directly effected by the sunlight and nutrients that producers require.
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Which is required for both anaerobic respiration and aerobic respiration?
© oxygen
• water
• mitochondria
• glucose
Substances capable of inducing an immune response are: Antibodies Antigens Cytotoxic cells Cytokines
Answer:
Antigens
Explanation:
Antigens are the substances which are recognized and processed by many cells in the body and the presented to T cells which propagate immune response by activating B cells and macrophages
The most abundant component of plasma is?
water? not sure buddy
White moths were found in huge numbers in the english city of birmingham. these moths could be easily camouflaged by the trees because white lichen covered the bark. because of sudden industrial development, the city’s trees became covered with soot. how will this change affect the population of the white moth? a. the population will decrease. b. the population will increase. c. there will be no change in their population. d. the population will change their food preferences.
The correct answer is a. the population will decrease of white moths.
White mothsThe white satin moth, also known as the satin moth or Leucoma salicis, is a member of the Erebidae family of moths. Carl Linnaeus published the first description of the species in the tenth edition of Systema Naturae published in 1758. It can be found in Europe, including the British Isles, but not in the far north. Additionally in North America, where it was first introduced in the 1920s. The wingspan is between 37 and 50 mm. White, occasionally ochreous, or in the male, even with a blackish costal edge; dark on the head, collar, and antennal pectinations. Broad black rings on the tarsi and tibiae. The East Asian species Leucoma candida has distinct male genitalia, considerably purer glossy white wings that are completely opaque and have thicker scales, and it is generally smaller with narrower wings.
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Answer: the population will decrease option A
Explanation:
IF YOUR ON PLATO LAB
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Frank was bitten by a rattlesnake and received anti-venom containing neutralizing antibodies. Frank received ________ immunity and he ________ long-term immunity as a result. Group of answer choices artificially acquired passive immunity; will not have naturally acquired passive immunity; will have artificially acquired passive immunity; will have naturally acquired active immunity; will not have
Frank was bitten by a rattlesnake and given anti-venom containing neutralizing antibodies. Frank will have acquired long-term artificially acquired passive immunity and active immunity naturally he will have as a result.
What is active immunity?Active immunity occurs when exposure to a diseased organism triggers the immune system to produce antibodies against that disease.
What is passive immunization?Passive immunization occurs when the body already receives the antibodies ready, instead of stimulating their production. The main difference is that, in passive immunization, the body does not produce memory cells, fighting the organisms only once.
With this information, we can conclude that Active immunity is when the individual's own body produces an immune response.
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This kinesiologist was one of the first to contribute to the field of exercise physiology with his Nobel Prize-winning work on metabolism. Group of answer choices Thomas Cureton D.B. Dill Kenneth Cooper A.V. Hill
A.V. Hill was the first kinesiologist to contribute to the field of exercise physiology with his Nobel Prize-winning work on metabolism.
Understanding the impact of activity or exercise includes concentrating on unambiguous changes in muscles, cardiovascular, and neurohumoral frameworks that lead to changes in practical limit and strength because of aerobic exercise or strength. To work, our muscles need energy, which is delivered by chemical and hormonal cycles. During the 1910s Archibald Hill framed these cycles by investigating muscles from frogs. Contrary to the predominant view that mechanical development and chemical cycles were equal arrangements, Hill had the option to appear through estimations of intensity created by the mechanical cycles that these were postponed corresponding to the movement. The chemical succession comprises a work stage, which isn't reliant upon oxygen supply, and a recuperation stage when oxygen is required.
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According to the results for Patient 4 shown above, which antigens were present in Patient 4’s blood? Check all (if any) that apply. A antigen B antigen Rh antigen
Any substance that triggers the production of antibodies by your immune system is referred to as an antigen.
What is antigen?This indicates that your immune system is attempting to combat the chemical because it does not recognize it.
A substance from the environment, such as chemicals, germs, viruses, or pollen, can behave as an antigen. Inside the body, an antigen may also develop.
Antigens are typically proteins or sugars (polysaccharides) that are present on the surface of various entities, such as viruses or cells. Your immune system recognizes each one by its distinctive shape to determine if it belongs in your body.
Therefore, Any substance that triggers the production of antibodies by your immune system is referred to as an antigen.
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Swallows return to the same nesting colony every year, sometimes even the same nest. What's the best explanation for this behavior
Swallows like to reuse their nests year after year and make them out of mud pellets.
The process of building a nest requires a lot of energy, and swallows can make over 1,000 journeys. Unoccupied nests are taken over by new pairs.
Most songbirds only utilize a nest for one clutch or breeding season before building a new one, assuming they live to reproduce again. However, one study found that 44% of pairs of swallows returned to the same colony and used the same nest.
The material used to construct the nests is the main distinction between the two nests. Grass, sticks, and other materials are employed in the case of weaver birds. A swallow's nest is constructed of moist mud as well.
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The epidermis is a barrier to ultraviolet rays, blocking much of the cancer-causing radiation from reaching the nuclei of cells called
The epidermis is a barrier to ultraviolet rays, blocking much of the cancer-causing radiation from reaching the nuclei of cells called keratinocytes.
What is keratinocytes?Skin cells, also known as epidermal keratinocytes, are highly specialized epithelial cells created for a very specific purpose: separating the organism from its environment.Keratinocytes, which make up the majority of the epidermis, have a variety of functions that are crucial for skin restoration. They carry out the re-epithelialization process, in which keratinocytes move, multiply, and differentiate in order to reestablish the epidermal barrier.The majority of the epidermis's cells, known as keratinocytes, begin in the basal layer, manufacture keratin, and help to create the epidermal water barrier by producing and secreting lipids.A kind of stratified epithelium known as keratinized stratified squamous epithelium has many layers of squamous cells, or keratinocytes, with the superficial layer of cells being keratinized. The skin's epidermis is made up of this kind of epithelium.
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If everyone on the planet used the same amount of resources as an average American, what percent of the Earth would need to be used to support everyone
Ethan has been eating salads without first washing the lettuce. He risks ingesting which type of bacteria?
Ethan has been eating salads without first washing the lettuce. He risks ingesting E-Coli and Salmonella bacteria.
You could inhale dangerous bacteria from the soil or pesticides used on the produce in the fields if you eat unwashed produce. Furthermore, it's possible that you'll consume bugs that were collected with the produce.Animal-based foods like meat, poultry, eggs, dairy products, and shellfish are frequently the cause of food poisoning in humans.Fruits, vegetables, and other raw foods, however, can potentially be polluted and sicken people if they aren't rinsed beforehand.Fruits and vegetables that are the safest are cooked; those that are the next-safest are washed. Prevent eating unwashed fresh food. Fresh produce has many health benefits, but eating raw fruits and vegetables occasionally puts you at risk for food poisoning from pathogens including Salmonella, E. coli, and Listeria.learn more about bacteria here: https://brainly.com/question/6941760
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You go on a canoe trip to the Boundary Waters Canoe Area (BWCA) in Northern Minnesota. This ecosystem is cold most of the year and receives plenty of rainfall. It has many lakes that are full of walleye pike fish. You know that walleye like to eat minnows. In turn, the minnows feed on scuds (zooplankton) which eat algae (phytoplankton). In this system, the zooplankton are the
Walleye like to eat minnows. In turn, the minnows feed on scuds (zooplankton) which eat algae (phytoplankton). In this system, the zooplankton are the primary consumer.
Zooplankton is animal plankton that is bigger in size than phytoplankton. The zooplankton is made out of both primary consumers which eat free-drifting algae, and secondary consumers, which feed on other zooplankton. These creatures are consumers since they should eat preformed organic compounds to endure in the ecosystem. Thusly, zooplankton then becomes nourishment for a bigger, secondary consumer like fish. Zooplankton incorporates microscopic and macroscopic life organisms and is of various kinds, and their food sources are vary extensively.
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Mycoplasmas differ from other bacteria in that they Group of answer choices Lack a cell wall. Are acid-fast. Are motile. Are gram-negative. Grow inside host cells.
Mycoplasmas differ from other bacteria in that they Lack a cell wall.
Mycoplasmas are different from bacteria as it can cause a wide range of infections and diseases. Mycoplasmas are phenotypically distinguished from other bacteria by their small size and complete absence of a cell wall. Lack of cell wall can be used to separate the mycoplasms from bacteria. It is a genus of bacteria that, like other members of the class Mollicutes, lack a cell wall around their cell membranes. Peptidoglycan is absent. This property makes them naturally resistant to antibiotics that target cell wall synthesis. They can be parasitic or saprotrophic
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When Joni first stepped onto the sailboat, she smelled the tangy sea air and felt the motion of water beneath her feet. After a few minutes, she no longer noticed the smell, but unfortunately she was aware of the rolling motion for hours. What types of receptors are involved in smell and detection of motion
The receptors involved in smell and motion detection are olfactory receptors and proprioceptors respectively.
Olfactory receptors are present on the cells of the olfactory epithelium in the nasal cavity. These receptors bind to the odor molecules and send signals inside the cell by producing chemical changes that are then detected and help in olfaction (detection of smell). These are a type of chemoreceptors.
Proprioceptors are a type of mechanoreceptors that detect changes in body position and maintain equilibrium. These receptors detect the position of limbs while walking and other activities. They are located in the skin, muscles, joints, and tendons.
Joni was able to smell the tangy sea air because of the olfactory receptors and was able to feel the motion of water beneath her feet because of the proprioceptors.
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Assume all the restaurants in a town get together and agree to increase the price of dinner to $15 from $10. What could happen
The correct answer to this question is fewer meals would be served when price of dinner increased from 10 to 15.
Why would fewer meals be sold?As there would be sudden inflation in the price of the products sold by the restaurants all at once people would hesitate to buy them.
This would lead to an decrease in the selling of meals thus leading to fewer meals sold.
Inflation means an sudden increase in the price of an product. Usually inflation leads to a general fall in the total number of products sold.
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After teaching a group of students about hemophilia, the instructor determines that the students have understood the information when they identify hemophilia a as involving a problem with?
After teaching a group of students about hemophilia, the instructor determines that the students have understood the information when they identify hemophilia A as involving a problem with Factor VIII.
What is hemophilia A?Hemophilia A is a type of blood disorder that is genetically related to the deficiency of clotting factor VIII.
This usually affects the males and females are usually the disorder carries.
Therefore, after teaching a group of students about hemophilia, the instructor determines that the students have understood the information when they identify hemophilia A as involving a problem with Factor VIII.
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Innovations that target NEW markets and represent a major break from existing technologies or ways of thinking, such as the digital camera, the touch-screen smart phone, or the decoding of the human genome, are examples of ______ innovations.
Innovations that target NEW markets and represent a major break from existing technologies or ways of thinking, such as the digital camera, the touch-screen smartphone, or the decoding of the human genome, are examples of Radical innovations.
What is radical innovation?
An invention that completely alters or replaces an existing business paradigm is considered radical innovation. Radical innovation, as opposed to architectural or incremental innovation, destroys the current system or process and replaces it with something wholly new.
Examples of radical innovation include the iPhone, which helped to create the present smartphone market, and the integration of sensor technology into farming equipment to provide farmers data they may use to change the farming sector.
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