What happens when one molecule of O2 binds to hemoglobin? [1 mark]
What happens when one molecule of O2 dissociates from hemoglobin? [1 mark]
Under which condition does hemoglobin primarily exist in the T state? [2 marks]

After the collision, the smaller object moves east at 0.800 m/s.

The question provides information about a collision between a 4.00-kg object moving east at 2.00 m/s and a 6.00-kg object initially at rest. After the collision, the larger object moves east at 0.800 m/s.

To determine the final velocity of the smaller object, we can use the principle of conservation of momentum. According to this principle, the total momentum before the collision is equal to the total momentum after the collision.

The momentum of an object is given by the product of its mass and velocity.

Before the collision, the total momentum is (4.00 kg) * (2.00 m/s) = 8.00 kg⋅m/s.

After the collision, the larger object moves east at 0.800 m/s.

To find the final velocity of the smaller object, we can subtract the momentum of the larger object from the total momentum and divide by the mass of the smaller object.

The momentum of the larger object is (6.00 kg) * (0.800 m/s) = 4.80 kg⋅m/s.
The momentum of the smaller object can be calculated by subtracting the momentum of the larger object from the total momentum: 8.00 kg⋅m/s - 4.80 kg⋅m/s = 3.20 kg⋅m/s.

Finally, we can find the final velocity of the smaller object by dividing its momentum by its mass: (3.20 kg⋅m/s) / (4.00 kg) = 0.800 m/s.

Therefore, after the collision, the smaller object moves east at 0.800 m/s.

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Given what we know about neural imaging techniques, we can confirm that if a researcher detects how water diffuses along the length of nerve fibers, then he or she is likely engaged in the technique called diffusion tensor imaging.

Therefore, given the facts about diffusion tensor imaging and its use of water diffusion to aid in visualizing key features, we can confirm that this is most likely the technique being used by the researcher.

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Answer:

1.El aparato excretor se encarga de expulsar de nuestro cuerpo los desechos. Para ello utiliza el sistema urinario y las glándulas sudoríparas. El sistema urinario filtra la sangre para limpiarla de desechos y produce la orina. Las glándulas sudoríparas producen el sudor y regulan la temperatura de nuestro cuerpo

2.Su función es eliminar mediante un proceso de filtración los productos de deshecho resultantes del metabolismo celular o incorporados desde el medio ambiente, por ejemplo durante la alimentación, exceso de sal en las aves marinas, etcétera. El principal sistema de excreción en los animales es el sistema urinario

3.La excreción en plantas es para extraer sustancias que luego pueden ser utilizadas por ellas mismas para realizar sus funciones de fotosíntesis y de respiración, o bien, acumularla en sus vacuolas para sustancia de reserva. ... Se pueden acumular en vacuolas o espacios intercelulares

Answer: (EXAMPLES). Human body temperature - The hypothalamus of a human reacts to temperature fluctuations and responds accordingly. If the temperature drops, the body shivers to bring up the temperature and if it is too warm, the body will sweat to cool down due to evaporation.

Human blood pressure - When blood pressure increases, signals are sent to the brain from the blood vessels. Signals are sent to the heart from the brain, and heart rate slows down, thus helping blood pressure to return to normal.

Human metabolism - When a human is hungry, metabolism slows down to conserve energy and allows the human to continue living with less food.

Regulation of blood sugar in humans - When blood sugar rises, insulin sends a signal to the liver, muscles, and other cells to store the excess glucose. Some is stored as body fat, and other glucose is stored as glycogen in the liver and muscles.

Production of human red blood cells (erythropoiesis) - A decrease in oxygen is detected by the kidneys and they secrete erythropoietin. This hormone stimulates the production of red blood cells.

Explanation: Since we all know, A negative feedback loop is a reaction that causes a decrease in function. It occurs in response to some kind of stimulus. Often, it causes the output of a system to be lessened; so, the feedback tends to stabilize the system. This can be referred to as homeostasis, as in biology, or equilibrium, as in mechanics.

The eight levels of taxa in the most prevalent classification scheme today are domain, kingdom, phylum (plural, phyla), class, order, family, genus (plural, genera), and species, and they are arranged from the most generic to the most specific animal.

This scheme is based on the Linnean system. By dividing organisms into a hierarchy of groups and subgroups based on their similarities and differences, organisms are classified scientifically. The classification of organisms is crucial in order to recognise them and understand the generic of living things. Classifications make it simpler to learn about a variety of different plants and animals, as well as their characteristics and similarities.

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The eight levels of taxa in the most prevalent classification scheme today are domain, kingdom, phylum (plural, phyla), class, order, family, genus (plural, genera), and species, and they are arranged from the most generic to the most specific animal.

This scheme is based on the Linnean system. By dividing organisms into a hierarchy of groups and subgroups based on their similarities and differences, organisms are classified scientifically. The classification of organisms is crucial in order to recognise them and understand the generic of living things. Classifications make it simpler to learn about a variety of different plants and animals, as well as their characteristics and similarities.

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In order to heat the Earth's surface and atmosphere and contribute to long-term climate change, greenhouse gases are described as gases that absorb and then release radiant energy.

In the Earth's atmosphere, water vapour, methane, ozone, carbon dioxide, and nitrous oxide are the most common greenhouse gases.

When deforestation is done, it causes green house gases to increase

The primary component of greenhouse gases is CO2.

1. Animals on earth use oxygen and release CO2, and plant life takes CO2 as a substate for photosynthesis, reducing, CO2 levels.

2. Green house gas increases and tree carbon converts to CO2 when tree are burnt.

The main harmful effects of increasing green house gases are climate change.

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The abnormal shape of the cell is most likely due to the involvement of the cytoskeleton, a network of proteins that helps give a cell its shape and structure.

The cell line from which these cells were derived likely had an abnormality in its cytoskeletal network that caused the differences in shape.

The cytoskeleton consists of three components: microtubules, microfilaments, and intermediate filaments.

Microtubules are tubular structures responsible for cellular movement, while microfilaments and intermediate filaments are primarily responsible for maintaining cell shape and structure.

These proteins can polymerize, depolymerize, and bind to other proteins to form networks, resulting in changes in cell shape.

In the case of this abnormal cell, its shape may have been caused by changes in the microfilaments or intermediate filaments, resulting in the different shape compared to the other cells.

This could have been caused by mutations in the proteins or the formation of abnormal protein networks.

The Golgi apparatus, endoplasmic reticulum, and lysosomes are all cytoplasmic components that are not involved in the cell's shape, and so are unlikely to be responsible for this abnormality.

In conclusion, the abnormality in the shape of the cell is most likely caused by changes in the cytoskeletal proteins, specifically microfilaments and intermediate filaments.

Mutations in the proteins or abnormal networks of proteins may have caused this difference in shape.

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Answer:

Being there for someone is what a real relationship needs. When we neglect to put in the effort is when things don't work out with someone that could have been perfect for us.

Love is considered to be both positive and negative, with its virtue representing human kindness, compassion, and affection, as "the unselfish loyal and benevolent concern for the good of another.

Explanation:

The osmosis is the process which molecules of a solvent tend to pass through a semipermeable membrane from a solution less concentrated into a more concentrated to balance the concentrations in the environments. Therefore, the sentence is true about the osmosis process.

A bone process or eye membrane disease term that means resembling a wing is alar. Alar refers to a bony structure or an eye membrane that is shaped like a wing, typically with a broad base and a narrow tip.

The term alar is derived from the Latin word ala, meaning “wing.” It is commonly used to refer to the alar cartilages of the nose, which are two small triangular pieces of cartilage on either side of the nose that help give the nose its shape. Alar can also be used to describe certain eye membrane diseases, such as alar pannus, a type of corneal dystrophy.

Alar pannus is a degenerative eye condition in which the cornea becomes cloudy due to an accumulation of abnormal proteins. It is characterized by the presence of a grayish-white, fibrous membrane that resembles a wing. The membrane is formed due to the disruption of the basement membrane of the cornea, resulting in the accumulation of abnormal proteins. This causes the cornea to become cloudy and impair vision.

Aside from alar pannus, alar can also be used to describe the bone structure of the nasal septum, which is the wall of bone and cartilage that separates the nostrils. The nasal septum is composed of two alar processes, one on each side, which form the “wings” of the nose.

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Answer:

Explanation: this is complicated

Answer:

b plants take carbon dioxide from the air

You would need to add 337.5 mL of water to the initial 225.0 mL of the 1.500 M sugar solution to obtain a final solution with a concentration of 1.000 M.

To calculate the amount of water needed to dilute the sugar solution, we can use the formula for dilution:

C1V1 = C2V2,

where C1 and V1 are the initial concentration and volume, and C2 and V2 are the final concentration and volume, respectively.

In this case, we have C1 = 1.500 M (initial concentration), V1 = 225.0 mL (initial volume), and C2 = 1.000 M (final concentration).

To find V2 (volume of the final solution, which includes water), we rearrange the formula:

V2 = (C1V1) / C2.

Substituting the values, we get:

V2 = (1.500 M * 225.0 mL) / 1.000 M = 337.5 mL.

Therefore, you would need to add 337.5 mL of water to the initial 225.0 mL of the 1.500 M sugar solution to obtain a final solution with a concentration of 1.000 M.

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Answer:sorry if this doesn’t help but The everyday activities of human are constantly degrading the quality of the environment which ultimately results in the loss of survival condition from the earth. Solve Questions. Write a general essay in about 200 words on

Explanation:ya

Answer:

Pollution ;)

Explanation:

Teratogens are substances or conditions that can cause birth defects in developing fetuses.  Exposure to these teratogens may increase the risk of birth defects and other developmental disorders. There are several teratogens that an individual may be exposed to on an everyday basis. Some of these common teratogens include alcohol, tobacco smoke, caffeine, pesticides, and some prescription and over-the-counter drugs.

It is not possible to avoid all teratogens completely. However, there are certain measures that one can take to reduce the risk of exposure. For example, pregnant women can avoid smoking, alcohol consumption, and exposure to harmful chemicals. They can also eat a healthy diet and get enough rest to ensure a healthy pregnancy.

Expectant fathers should also take precautions to avoid teratogens as they can also have an impact on the health of the developing fetus. For example, exposure to lead and certain chemicals may increase the risk of birth defects and developmental disorders. Therefore, it is important for both parents to take measures to minimize their exposure to teratogens and create a healthy environment for the developing fetus.

In conclusion, exposure to teratogens can have a significant impact on the health of a developing fetus. While it may not be possible to avoid all teratogens, there are steps that can be taken to minimize exposure and ensure a healthy pregnancy. Both expectant mothers and fathers should be aware of the risks associated with teratogens and take steps to reduce their exposure.

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The reflex you are referring to is the withdrawal reflex, which produces a rapid response to remove the body part from a painful stimulus.

This reflex is ipsilateral, meaning it occurs on the same side of the body where the stimulus was applied. The withdrawal reflex is a protective mechanism that helps prevent further injury or damage to the affected body part. The reflex arc involves sensory neurons that detect the painful stimulus, interneurons that process the information, and motor neurons that trigger the muscles to contract and withdraw the body part.

The withdrawal reflex is a basic reflex that is present in most animals, including humans, and is essential for survival.

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Answer:

I am a cheater.

Explanation:

I am cheating by looking up the answers to my work on Brainly.

Answer:

C. Mitochondria

Explanation:

Answer: C. Fertilization would result in a zygote with twice as many chromosomes as the parents.

Explanation: Hope this helps

Answer:

The zygote would have two nuclie

Explanation:

Photophobia is an eye condition causing excessive light sensitivity, affecting people in brightly lit areas. It can be linked to underlying medical conditions, medications, illnesses, neurological disorders, and hormonal imbalances. Treatment options include medications, sunglasses, or specialized lenses.

Abnormal light sensitivity associated with the eyes is known as photophobia. Photophobia is the medical name given to describe a condition where the eye is excessively sensitive to light. It makes it difficult for people to be in a brightly lit room or area. This condition can be associated with several underlying medical conditions that affect the eyes, such as corneal abrasion, iritis, keratitis, conjunctivitis, etc.

Photophobia can also be a side effect of some medications and a symptom of several illnesses such as migraines, meningitis, or concussion. There is a close association between the nervous system and the eyes, and photophobia could also be linked to neurological disorders such as post-concussion syndrome, encephalitis, or meningitis, which can cause inflammation of the brain and spinal cord. Photophobia may also arise due to an overstimulation of the brain’s visual processing centers caused by certain drugs and hormonal imbalances such as those seen in pituitary tumors or thyroid issues.People with photophobia could experience several symptoms such as eye pain, redness, tearing, and discomfort.

To treat photophobia, the doctor will need to determine the underlying condition causing it and manage it accordingly. Depending on the severity of the condition, various treatment options such as medications, sunglasses, or specialized tinted lenses could be recommended.

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Answer:

The correct answer is option D.

Explanation:

The temperate leaves grow in temperate forests found in America, Europe, and Asia. This biome comprise of trees have evergreen conifers with needle like leaves. Such leaves can endure wide change of temperature and light. Some vegetation of temperate biome are conifers such as Pine, Hemlock and other. The trees shed their leaves with the beginning of fall and new leaves are delivered in late-winter  to protect from the cold.

On other hand, Taiga forest is the biggest biome on the planet. This biome contain conifers with long, slender waxy needles like leaves. These waxy leaves provide security against freezing temperature and from dying drying out. In contrast to temperate they don't sheds their leaves in winter and keep their needles throughout the entire year.

Thus, the correct answer is option D.

Answer:

D. The temperate leaves grow in the spring and shed in the cold, while the taiga leaves are dark and wax-coated to prevent the tree from freezing

Explanation:

Got it right on Edmentum

El sistema respiratorio tiene una función vital en la supervivencia de los seres humanos y otros organismos. Es responsable de tomar oxígeno del ambiente y exhalar dióxido de carbono y otros gases de desecho.

Los principales gases que utiliza el sistema respiratorio para llevar a cabo su función son el oxígeno y el dióxido de carbono.El oxígeno es un gas vital para el cuerpo humano y es utilizado por las células del cuerpo para producir energía a través del proceso de respiración celular.

El oxígeno entra en el cuerpo a través de la inhalación y se une a la hemoglobina en los glóbulos rojos en el sistema circulatorio para ser transportado a las células del cuerpo. Una vez que el oxígeno es utilizado por las células, se convierte en dióxido de carbono y se transporta de regreso al sistema respiratorio.El dióxido de carbono es un gas de desecho producido por el cuerpo humano durante el proceso de respiración celular.

El dióxido de carbono se une a la hemoglobina en los glóbulos rojos y se transporta de regreso al sistema respiratorio para ser exhalado del cuerpo. La eliminación adecuada del dióxido de carbono del cuerpo es esencial para mantener un equilibrio ácido-base saludable.

En resumen, el sistema respiratorio utiliza principalmente oxígeno y dióxido de carbono para llevar a cabo su función vital en el cuerpo humano y otros organismos.

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These are some of the explanations or structures of the lungs and their corresponding lung: right and left.

Right Lung

* Has three lobes: superior, middle, and inferior.

* Is larger than the left lung.

* Is separated from the left lung by the heart.

Left Lung |

* Has two lobes: superior and inferior.

* Is smaller than the right lung.

* Is separated from the right lung by the heart and the mediastinum.

Bronchus |

* A large airway that branches off the trachea and leads to the lungs.

* There are two bronchi, one for each lung.

* The bronchi further branch into smaller airways called bronchioles.

Alveoli |

* The smallest air sacs in the lungs.

* They are where gas exchange takes place.

* There are about 300 million alveoli in each lung.

Pleura |

* A thin membrane that surrounds each lung.

* The pleura helps to protect the lungs and keep them in place.

* There are two layers of pleura: the parietal pleura and the visceral pleura.

Based on the information, the following explanations or structures are classified with the correct lung:

3 lobes: Right Lung

2 lobes: Left Lung

Larger: Right Lung

Smaller: Left Lung

Separated by the heart: Right Lung

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Answer:

Global soil resources contain more organic carbon than the world's atmosphere and all of its plants combined.

Explanation:

Hope this helps sorry if incorrect

Explanation:

The lungs are part of the respiratory system.

Zebra mussels are adaptive mollusks that can spend days on land without food.

The ideal answer is C.

This bivalve mollusk is only found in the Caspian and Black Sea lagoons and associated inflowing rivers. It can only withstand slightly salty fresh and brackish water for its daily needs.

Zebra mussels, like the ones in the photo above, can ruin boat motors, clog water filtration lines, and make beaches unusable. Zebra mussels are a tiny but significant nuisance. This crayfish and other objects can be swiftly encrusted by these mussels.

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The type of energy which is released from one trophic level to the next is metabolic heat energy.

Energy simply refers to the ability or the capacity of doing work. However, when energy is being transferred from one trophic level to the other, it so happens by means of or the virtue of heat transfer. It is on this premise that we say that energy is released from one trophic level to the next through heat energy.

In conclusion, we can now confirm and deduce from the explanation given above that energy is needed for living organisms to be able to transfer it from level to another.

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The correct answer is option C i.e. incomplete dominance

when a true-breeding red flower is crossed with a white flower, and all the f1 flowers are pink, this is due to incomplete dominance.

In a cross between true-breeding red flower RR and white flower rr in F1 generation, we get pink colored flower Rr.  This type of inheritance is called incomplete dominance as neither of them is completely dominant over each other.

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