Deoxygenated blood entering the alveoli has dissolved oxygen with partial pressure of 40 mmHg, while alveolar air has oxygen present at a partial pressure of 90 mmHg. What will be the partial pressure of dissolved oxygen in blood that leaves the lungs?
A. 40 mmHg
B. 65 mmHg
C. 90 mmHg
D. 100 mmHg

The cosmological principle is a fundamental principle in modern astronomy that states that the universe is homogeneous and isotropic on a large scale.

In simpler terms, this means that the universe looks the same in all directions and that there are no special places in the universe. The principle has been confirmed by many observations done by Hubble and many other astronomers since it was first proposed.
However, the existence of quasars has been seen as a contradiction to this principle. Quasars are extremely luminous objects that emit huge amounts of energy. They are thought to be powered by supermassive black holes at the centers of galaxies. Since they are so bright, they can be seen at very large distances, which means that they must have been present in the early universe.
The presence of quasars suggests that the universe was not homogeneous at early times. Instead, it was clumpy, with regions of high density and low density. This is because quasars are more common in regions where there are many galaxies and less common in regions where there are few galaxies.The cosmological principle is a fundamental principle in modern astronomy that states that the universe is homogeneous and isotropic on a large scale.
Despite this contradiction, the cosmological principle remains a powerful tool for understanding the universe. It has been confirmed by many observations, and it is supported by the Big Bang model of the universe. While there may be exceptions to the principle, such as the presence of quasars, these exceptions do not invalidate the principle as a whole.

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Answer:

dominante heterozigotus and recesive signs gives ratio 1:1

The species that posed a threat to Australia's sugarcane crop in 1930 were cane grubs. The native species of Victoria are highly threatened by cane toads.

The native species of Victoria were seriously threatened by cane toads. In addition to competing for food, they may quickly spread and colonize new places, may bring new viruses and diseases, and poison via their toxic glands. According to the Victorian Catchment and Land Protection Act of 1994, cane toads fall under the category of controlled pest animals. Threat reduction strategy for the cane toad (Bufo marinus). In order to lessen the effects of cane toads and conserve native species and ecosystems that are impacted by cane toads, the Australian Government has issued a threat abatement plan that outlines the research, management, and other efforts required. Cane Toads kill them by injecting their venom into their bodies. By utilizing poison to kill their predators, the cane toad has altered Australia's environment. This process eliminates certain species, but it also promotes the re-emergence of other prey species.

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Answer:

BB or Bb

Explanation:

B= dominant genotype

b= recessive genotype

B always shows even if the genotype is Bb leaving either option as correct

The effect of concentration difference on the rate of diffusion - C. Increasing the concentration difference increases the rate of diffusion.

Diffusion is a process of passive transport in which a single substance moves from an area of high concentration to an area of low concentration until the concentration is equal on both areas.

Moreover, there are various factors that affect the rate of diffusion of a solute including the temperature of the environment, the mass of the solute, the solvent density, and the diffusion distance.

Hence, the greater the diffusion distance needs to travel the longer it takes to move. The greater the distance that a substance must travel, the slower the rate of diffusion. Thus, the effect of diffusion distance have on the rate of diffusion of oxygen - C. Increasing the concentration difference increases the rate of diffusion.

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Answer:

answer is palm oil

Explanation:

Biodiesel fuel can be created from palm__ oil________, an important resource in South and Southeast Asia. A. natural gas B. palm oil C. lumber D. coal Please select the best answer from the choices provided A B C D

Answer:

B

Explanation:

.....................

Plants found in cold environments have a higher amount of photosynthesis at low temperatures. Plants in warm environments, have a higher photosynthesis in high temperatures.

Photosynthesis is the process by which plants make their food from sunlight . This process is mostly dependent on sunlight so it varies from temperature and seasons. Greater light intensity leads to higher photosynthesis rates, as does increased carbon dioxide concentration.

Photosynthesis is generally higher during early summer and decline by autumn season . Temperature also plays an important role in photosynthesis as temperature increases the number of collisions increases, therefore the rate of photosynthesis also increases.

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Answer:

Lysosomes

Explanation:

Lysosomes are membrane-bound organelles that contain digestive enzymes that break down proteins, lipids, carbohydrates, and nucleic acids. They are important in processing the contents of vesicles taken in from outside the cell.

This is called thermal radiation. Thermal radiation a type of heat transfer which uses electromagnetic waves(infrared and visible light) that emits heat and spreads out in all directions.

A particular type of inclusion body that is used to orient bacteria in three-dimensional space in a fluid environment is a carboxysome.

In instance, cyanobacteria and other chemoautotrophic bacteria have carboxysomes, a form of inclusion body. Enzymes associated with carbon fixation, notably the enzyme RuBisCO (ribulose-1,5-bisphosphate carboxylase/oxygenase), are found in these proteinaceous compartments. It is well known that carboxysomes are essential for the cyanobacteria's photosynthesis process.

The carbon fixation process is made more effective by carboxysomes, which have a characteristic polyhedral form and are involved in the concentration of carbon dioxide (CO2) surrounding RuBisCO. In order to prevent oxygen from interfering with the activities involved in photosynthetic life, they are also in charge of maintaining the ideal level of carbon dioxide.

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Answer:

Oxygen

Explanation:

Oxygen because when was the last time you saw one organism beating up another organism because that one was taking too much, its air, or air near it. Organism, however, do fight for mating rights (Reproduction), Food, Water, and Shelter because these are things that could go scarce, unlike oxygen which is always being pumped out by plants.

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Answer:

The population of Red-Tailed Hawks will increase.

Accordingly, once you diluted the ammonia completely, it is suitable for disposal. You can pour the aqua ammonia down the kitchen sink, or flush it down your toilet. However, beware if you have a septic drainage system, the solution will proceed to mix with the water underground and pollute it.

The location of 2 living organisms on a phylogenic tree if they are considered closely related will be from the same branch.

A phylogenic tree is a diagram that shows the evolutionary relationships between two or more organisms.

The phylogenic tree is in the form of a tree with various branching points. The branching points in a phylogenic tree represents the point or time in which two related organisms diversify or acquire feature that makes them differ from each other.

Related organisms will originate from the same branch of the tree. over time, as a result of mutation and other changes, the organisms will branch away from each other.

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Answer:

Carbon dioxide would increase

Explanation:

Trees provide oxygen and without trees, there would only be carbon dioxide.

The carbon dioxide in the earths atmosphere would increase significantly leading to climate change and global warming.

The deliberate clearance of forested terrain is known as deforestation. Forests have been cleared throughout history and into the present era to make room for agriculture and animal grazing as well as to obtain wood for fuel, manufacture, and construction.

A variety of issues for Indigenous people can result from the loss of trees and other vegetation, including climate change, desertification, soil erosion, less crops, flooding, and an increase in greenhouse gases in the atmosphere.

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Answer:

DNA contains coded information for hibernation

Explanation:

Answer:

★ DNA contains coded information for hibernation.

Explanation:

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The example of antagonistic hormones controlling homeostasis is insulin and glucagon in glucose metabolism.Homeostasis is the state of relative stability in the body's internal environment. It requires maintaining a balance between the variables of an organism's internal environment, such as temperature and fluids.
Hormones play an essential role in the body's regulatory mechanisms, including homeostasis.Antagonistic hormones, such as insulin and glucagon in glucose metabolism, have opposing effects on the body. Insulin, which is produced in the pancreas, decreases blood glucose levels, while glucagon, also produced in the pancreas, increases blood glucose levels. These hormones maintain the body's blood glucose level within a narrow range.Insulin and glucagon are antagonistic hormones that maintain glucose homeostasis. When glucose levels rise, insulin is released from the pancreas to reduce glucose levels. When glucose levels are low, the pancreas releases glucagon to raise glucose levels. Therefore, antagonistic hormones, such as insulin and glucagon, work together to control homeostasis.

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The sympathetic stimulation of the kidneys does all of the following except b. lowers the glomerular filtration rate. The kidney is a pair of organs located on either side of the vertebral column in the back of the abdomen.

Its main function is to maintain the body's internal environment by regulating the volume, composition, and pH of the extracellular fluid. The kidney filters waste products from the blood and produces urine, which is excreted from the body. The glomerulus is a tiny ball-shaped structure that is found in the nephron. It is responsible for filtering blood to remove waste products and excess water. The glomerular filtration rate is a measure of how well the kidneys are functioning. It is the amount of blood that is filtered by the glomerulus per minute. The normal glomerular filtration rate for adults is about 90-120 mL/min. Sympathetic stimulation of the kidneys does all of the following except lowers the glomerular filtration rate. Sympathetic stimulation of the kidneys does the following: It constricts the afferent arterioles, which leads to a decrease in glomerular capillary pressure. It constricts the efferent arterioles, which leads to an increase in glomerular capillary pressure. It increases the release of renin from the kidneys, which leads to an increase in blood pressure. It stimulates the reabsorption of sodium and water from the renal tubules, which leads to an increase in blood volume and blood pressure. Therefore, the correct answer is option A, which lowers the glomerular filtration rate.

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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.

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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Organic and inorganic.....are the

Answer:

There is no answer to that.

Explanation:

None of the options are correct.

Vacuoles are also present in both the animal cells and plant cells. Therefore, option (A) is correct.

A plant cell is a type of cell that is found in plants. It is similar to an animal cell in many ways, but there are also some important differences. Like animal cells, plant cells have a cell membrane, cytoplasm, and genetic material (DNA) contained in a nucleus. However, plant cells also have some unique features that are specific to plants.

One key feature of plant cells is the presence of a cell wall. The cell wall is a rigid structure that surrounds the cell membrane and provides support and protection for the cell. It is made up of cellulose fibers and other structural proteins.

Plant cells also contain organelles called chloroplasts, which are responsible for photosynthesis, the process by which plants convert sunlight into energy. Chloroplasts contain pigments called chlorophyll, which absorb sunlight and use it to convert carbon dioxide and water into glucose (a sugar) and oxygen.

Plant cells also contain other specialized organelles, such as mitochondria, which are responsible for producing energy for the cell, and vacuoles, which are large, membrane-bound structures that store water and other substances.

Overall, plant cells are important for a variety of functions in plants, including providing structural support, producing energy, and performing photosynthesis.

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Answer:

The frequency of the genotype MN, F(MN) = 0.4

Explanation:

Due to technical problems, you will find the complete answer and explanation in the attached files.    

On chromosome 4, there is an autosomal locus with two alleles called LM and LN that regulates the MN blood group system. The red blood cells' surface glycoprotein, which functions as a natural antigen, is what determines the blood type.

Although many alloantibodies to MNS system antigens have caused hemolytic illness in fetuses and newborns, antibodies to low- and high-prevalence MNS antigens are typically not clinically significant.

In a population at equilibrium, if the frequency of the M allele in the human MN blood group system is 0.65, then the frequency of the N allele must be 0.04. Since the frequencies of each allele must add up to 1, the frequency of the N allele must be 0.35.

Therefore, The absolute frequency of the genotype MN, F(MN) = 0.4 The sum of the allele frequencies must equal 1, so the frequency of the N allele must be 0.35.

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Answer:

the difference

Explanation:

Image result for Compare How does the coastal ocean zone compare with the open ocean zone? (This is Savvas Realize)

The coastal biome (which is also called the coast) is found near the shores, beaches, and sea cliffs where we stand and watch the waves roll in. ... But compared to the coast, the open ocean is sparsely populated, almost like an ocean desert. The ocean is a large place and can be divided up in many ways.

If a drought causes a decrease in resources in an ecosystem, then the organisms living in the ecosystem will be affected due to the decrease in an abiotic factor that is fundamental for survival.

Abiotic factors such as water and normal levels of environmental temperature are fundamental for survival because they are required to carry out metabolic activities.

Therefore, with this data, we can see that abiotic factors can be considered as fundamental for survival due biological systems require them to carry out metabolic processes.

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Answer:

well for starters whales have hair

not a lot but its still there

and whales feed milk to their  babies

and last they give birth without an egg

straight from the womb

Answer:

I think its rivers and streams