Group of plants where pollen is stored in flowers.

Answer:

AaBBCC

Explanation:

I think this is it. Hope it helps

Answer:

convex lens converges the reflected ray and makes an inverted image on the retina . ciliary muscles helps the cover lens to adjust. thus, the photo receptors on the retina convert the image to electrical impulses and it is send to the brain by optic nerves

Explanation:

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The relative rate of growth of this bacterium population is given by the function 197e^(0.2t).

The relative rate of growth of a population can be determined by calculating the derivative of the population function with respect to time.

Given the population function:

n(t) = 985e^(0.2t)

To find the relative rate of growth, we need to calculate dn/dt, which represents the rate of change of the population with respect to time.

Taking the derivative of n(t) with respect to t, we get:

dn/dt = d/dt (985e^(0.2t))

To differentiate the function, we use the chain rule, which states that if we have a function of the form f(g(t)), the derivative is given by f'(g(t)) * g'(t).

Applying the chain rule to our function, we have:

dn/dt = 985 * d/dt (e^(0.2t))

Now, the derivative of e^(0.2t) with respect to t is simply 0.2e^(0.2t):

dn/dt = 985 * 0.2e^(0.2t)

Simplifying further, we have:

dn/dt = 197e^(0.2t)

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Several examples of sphere interactions can be inferred from this photograph: Humans (biosphere) built a dam out of rock materials (geosphere). Water in the lake (hydrosphere) seeps into the cliff walls behind the dam, becoming groundwater (geosphere), or evaporating into the air (atmosphere).

Answer: Dont have one just wanted to help this person get brainliest

Explanation: I like helping

Answer:

a recessive allele is a genetic trait that is hidden by another trait

Answer:

shorter and higher

Explanation:

UV  is further along in the EM spectrum so has a higher frequency and shorter wavelengths than visible light.

The fibular collateral ligament is not a ligament of the coxal joint. The coxal joint refers to the hip joint, which is the joint between the hip bone and the femur.

This joint is supported by several ligaments, including the iliofemoral ligament, ischiofemoral ligament, and pubofemoral ligament. Therefore, option A, fibular collateral ligament, does not belong to the coxal joint as it is a ligament of the knee joint rather than the hip joint. It is found in the lateral aspect of the knee joint, where it is closely associated with the lateral meniscus, lateral epicondyle of the femur, and the lateral condyle of the tibia.The other options given in the question do not relate to the coxal joint either.

Option B, saddle joint, refers to a joint where the articulating surfaces resemble a saddle, such as the joint between the thumb and wrist. Option C, patellar ligament, refers to the ligament that connects the patella (kneecap) to the tibia. Option D, flexion and extension, are types of movement that occur at joints and do not refer to any specific ligaments or joints. The fibular collateral ligament is not a ligament of the coxal joint.

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All of the mentioned conditions or treatments (a, b, and c) can individually result in a decrease in gene expression. correct answer is e) all of the above

All of the mentioned conditions or treatments can lead to a decrease in expression for a eukaryotic gene. Let's discuss each option:

a) Deacetylation of histones in the promoter of the gene: Histone deacetylation is associated with a more condensed chromatin structure, making the DNA less accessible to the transcriptional machinery. This can lead to a decrease in gene expression.

b) Methylation of cytosines in the promoter of the gene: Methylation of cytosine residues in the promoter region of a gene can also result in gene silencing. Methylated DNA attracts proteins that inhibit transcription, preventing the binding of transcription factors and RNA polymerase to the promoter.

c) Mutation in the TATA box from TATA to GAGA: The TATA box is a conserved DNA sequence in the promoter region that helps in the binding of transcription factors. A mutation in the TATA box can disrupt the binding of transcription factors, leading to decreased gene expression.

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Electromagnetic (2) radiation is the mechanism via which solar energy, or energy from the Sun, (1) enters the atmosphere of the Earth. The sun is a source of (3) Solar energy, and when it strikes objects on Earth, it changes into (4) Electrical energy or thermal energy, raising their (5) temperature. ​

Electromagnetic waves, or radiation, carry energy from the sun to Earth. Infrared and visible light make up the majority of the energy that travels through the upper atmosphere and reaches the surface of the Planet.

This light is primarily visible spectrum light. Most of the energy that reaches the Earth's surface is absorbed; just a little amount is reflected. The atmosphere and the surface of the Earth collectively absorb around 70% of incoming radiation.

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Correct Question:

The solar energy or energy coming from the (1) ________ enters the Earth’s atmosphere through Electromagnetic (2) ___________. The sunlight is a form of (3) __________ energy that when hits objects here on Earth transforms into (4) _________ energy or thermal energy and increases the objects’ (5) ______________.​

Answer:

Every particle attracts every

other particle in the universe

using a force that is directly

proportional to the product

of their masses and inversely

proportional to the square of

the distance between them. (theory)

Human beings walk on the

ground rather than floating

in the air. (law)

Human beings walk on the

ground rather than floating

in the air because of Earth's

gravitational force. (fact)

Explanation:

theory: Us humans always come with theories so that it will make it a lot easier for us to understand the whole picture. So that's why the first part is a theory because we have never seen every particle attract an other particle. but because of the modern technology we are able to make a trustworthy theory.

Fact: We know that humans walk on the ground because of the earth's gravitational force.

law: This law mathematically describes how two different bodies in the universe interact with each other.

I hope this is ok :)

Answer:

Every particle attracts every

other particle in the universe

using a force that is directly

proportional to the product

of their masses and inversely

proportional to the square of

the distance between them. (theory)

Human beings walk on the

ground rather than floating

in the air. (law)

Human beings walk on the

ground rather than floating

in the air because of Earth's

gravitational force. (fact)

Explanation:

Just did it.

By the way Jimmy Butler Better then LeBron James

Answer:E is as far from C as it is from D. So,CE = E-C = (-1-5,0-2) = (-6,-2)So, add that much to E and you getD = E+(E-C) = (-1,0)+(-6,-2) = (-7,-2)

Explanation:

Answer:

gymnosperms produce male cones and female cones, and the pollen from a male cone fertilize the egg inside a female cone

Answer: Biomagnification refers to the process by which the concentration of a contaminant increases as you move to higher trophic levels in a food chain or food web. In other words, as organisms consume other organisms, the contaminants present in the prey accumulate and become more concentrated in the bodies of the predators.

To understand this process, let's consider an example involving a water ecosystem. Suppose a pollutant is released into the water, such as a pesticide or heavy metal. The primary producers, such as algae or aquatic plants, absorb small amounts of the contaminant from the water. As herbivorous organisms consume these primary producers, they ingest the contaminants along with their food.

Since the contaminant is not easily broken down or eliminated from the organisms' bodies, it accumulates over time. As a result, the concentration of the contaminant becomes higher in the herbivores than in the primary producers. Now, when carnivorous organisms consume the herbivores, they not only accumulate the contaminant from their own food but also from all the prey they have consumed. This leads to an even higher concentration of the contaminant in the carnivores.

Therefore, biomagnification describes the phenomenon where the concentration of a contaminant increases significantly as you move up the food chain or trophic levels. The highest concentration of contaminants is often found in top predators, such as large fish, birds of prey, or mammals, which can have adverse effects on their health and reproductive capabilities.

It's important to note that biomagnification primarily occurs for persistent and non-biodegradable contaminants that cannot be easily metabolized or excreted by organisms. These contaminants are often lipophilic (fat-soluble), which allows them to accumulate in fatty tissues and remain in the organism's body for long periods, leading to biomagnification.

Explanation:

Answer:

The main function of the cardiovascular system is therefore to maintain blood flow to all parts of the body, to allow it to survive. Veins deliver used blood from the body back to the heart. When your blood circulates through your digestive system, it picks up nutrients your body absorbed from your last meal. So it is a very critical part of the digestive system since the body can't absorb nutrients to survive

Answer:

Classification is a systematic ordering of the object of research, in this case, ecosystems at the earth's surface or, in other words: landscape units as 'holons'. As for general principles of classification, we can learn a lot from the best-known classification, the taxonomical classification of species.

Explanation:

When the double bond between carbon atoms in a molecule is broken, the alkene halogenation reaction, specifically bromination or chlorination, takes place. The halides from the opposing sides of the molecule add to nearby carbons.

A halogen atom is replaced with another substance in a process known as halogenation, where the halogen atom eventually becomes a component of the new substance or compound. In general, one or more halogens are typically added to the chemical during the halogenation reaction. The process of replacing any number of hydrogen atoms with the aforementioned group of elements is known as halogenation. The result of halogenation will have different and new properties from the original substance. Halogens are a class of elements that includes substances like iodine, chlorine, fluorine, and bromine. These components typically behave similarly, which is why they belong to the same group.

The complete question is;

A synthesis of the antibiotic natural product y-indomycinone involved the halogenation reaction shown below. The major product of the reaction is a mono brominated compound, and a significant amount of a minor, dibrominated compound is also formed. Modify the given structure to draw the major product a mono brominated compound. Lone pairs not required.

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In 1997, the species that was the apex predator in the food chain was the Orca or Killer Whale. An apex predator is a type of predator in an ecosystem that sits at the top of the food chain.

In 1997, the species that was the apex predator in the food chain was the Orca or Killer Whale. An apex predator is a type of predator in an ecosystem that sits at the top of the food chain. They are at the top because no other predators hunt them as prey. They are important to the ecosystem as they help regulate populations of animals that are below them on the food chain. In 1997, the apex predator in the food chain was the Orca or Killer Whale. They are found in all the world's oceans and are known for their black and white markings. They have a diverse diet and can feed on fish, squid, sea birds, marine mammals, and even sea turtles. The Orca is an intelligent animal that is capable of hunting in groups and using various hunting techniques to capture prey. They are also known for their complex social structure and communication skills. Orcas are an important species in the marine ecosystem and play a vital role in the food chain. The species that was the apex predator in the food chain in 1997 was the Orca or Killer Whale. This species of whale is known for their black and white markings and can be found in all the world's oceans. They have a diverse diet and can feed on fish, squid, sea birds, marine mammals, and even sea turtles. Orcas are important apex predators in the marine ecosystem as they help regulate populations of animals that are below them on the food chain. They are intelligent animals capable of hunting in groups and using various hunting techniques to capture prey. Orcas are also known for their complex social structure and communication skills. They are a vital species in the food chain, and their presence is critical to maintaining a healthy marine ecosystem.

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Researchers are currently exploring the use of RNAi to target specific genes involved in hepatitis, with promising results in preclinical studies.The goal of RNAi research is to understand and replicate the process of using small interfering RNAs (siRNAs) to prevent the expression of specific genes

in order to treat various ailments, including cancer and hepatitis. By targeting and silencing the genes responsible for disease, RNAi has the potential to provide more targeted and effective therapies than traditional treatments. Researchers are currently exploring the use of RNAi to target specific genes involved in hepatitis, with promising results in preclinical studies.

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Answer: The Tri-State Tornado of March 18, 1925 killed 695 people in Missouri (11), Illinois (613), and Indiana (71). The outbreak it occurred with was also the deadliest known tornado outbreak, with a combined death toll of 747 across the Mississippi River Valley.

Explanation:

Answer:

the tristate tornado

Explanation:

killed 695 people and injured 2,027 others in Southern Missouri, Illinois and Indiana in 1925. The tornado went on for 219 miles, making it the longest ever recorded.

Answer:

D

Explanation:

Answer: I think its c

Answer:

capillaries

Explanation:

gas exchange happens in the lungs between the alveoli and a network of tiny blood vessels called capillaries

The epithelium that would be best suited for the function of absorption of most nutrients and the secretion of enzymes is the simple columnar epithelium. This is because the columnar epithelial cells are tall and narrow, resembling columns.

Their nuclei are elongated and are located near the base of the cell. The columnar cells can have microvilli that extend from their apical surface, which helps to increase their surface area, making them highly efficient at absorbing nutrients. Furthermore, these cells possess enzymes that assist in the breakdown of food and the digestion of nutrients. Columnar cells in the small intestine also secrete mucus to protect the epithelium from acidic and enzymatic damage.

Furthermore, the columnar cells' tight junctions are well-developed, which reduces the chances of unwanted materials entering the bloodstream. The microvilli aid in the absorption of nutrients from the digested food. They increase the surface area available for nutrient absorption, allowing more nutrients to enter the bloodstream through the epithelium.

In conclusion, the simple columnar epithelium is best suited for the small intestine's function of absorbing nutrients and secreting enzymes due to its tall and narrow shape, microvilli on the apical surface, and tight junctions. The combination of these features allows the small intestine to efficiently extract nutrients from the digested food and transfer them to the bloodstream while preventing unwanted materials from entering the bloodstream.

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The water table is at the surface of the Earth in humid areas, but it can be tens to hundreds of metres or more below the surface in arid areas.

Water that is found underground in saturated regions beneath the surface of the earth is known as groundwater.

The water table is the term for the saturated zone's upper surface. Contrary to popular perception, underground rivers are not created by groundwater.

In humid regions, the water table is at the surface of the planet; but, in arid regions, it can be tens to hundreds of metres or more below the surface.

Arizona's water usage is currently lower than it was in 1957 thanks to improved conservation practises and a decline in irrigation water use.

Since the beginning of our state's history, Arizona has never required municipal or residential restrictions on uses, even though we have five times (5x) as much water stored as we consume.

Thus, the groundwater Supply differ from a dry hot area like Arizona to a cooler moist area like Oregon.

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Answer:

3-1000 per year

Explanation:

An earth worm would typically be 20 to 30 cocoons per year.

Hope this helps

The bone marrow cells are considered to be stem cells

Stem cells are young undifferentiated cells in the body of organisms.

Stem cells are capable of differentiating to become specialized for specific functions in tissues, organs, or organ systems.

Bone marrow cells are capable of differentiating into platelets and red blood cells.

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Insects are successful at dispersing to distant environments due to their small size, ability to fly, adaptability, and reproductive strategies.

Several characteristics contribute to the success of insects in dispersing to distant environments. Firstly, their small size is advantageous as it allows them to be easily carried by wind currents, water bodies, or hitch a ride on larger animals, aiding their long-distance travel. Additionally, insects possess wings and the ability to fly, which greatly enhances their dispersal capabilities. Flying enables them to cover vast distances quickly, explore new habitats, and colonize previously unoccupied areas.

Moreover, insects exhibit remarkable adaptability, enabling them to survive in diverse environments. They have the ability to tolerate extreme temperatures, varying moisture levels, and a wide range of food sources. This adaptability allows them to thrive in different ecosystems, from deserts to rainforests, and from freshwater to marine environments.

Furthermore, insects employ various reproductive strategies that contribute to their dispersal success. Many insects produce numerous offspring with short generation times, ensuring a higher chance of survival and dispersal. Additionally, some insects possess specialized mechanisms for dispersing their eggs or larvae, such as attaching them to structures or using natural vectors like water currents or other organisms.

In combination, the small size, flying capabilities, adaptability, and reproductive strategies of insects contribute to their exceptional success in dispersing to distant environments. These characteristics enable them to colonize new habitats, establish populations, and adapt to different ecological conditions, making them one of the most successful and diverse groups of organisms on Earth.

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The findings described are most suggestive of chronic kidney disease (CKD). This is a condition where the kidneys become unable to filter blood as efficiently as they normally would, leading to a buildup of waste products in the body.

CKD can be caused by a variety of different factors, including long-term exposure to toxins, certain medications, and certain medical conditions such as diabetes and hypertension. Chronic kidney illness can cause atrophic tubules filled with eosinophilic proteinaceous casts, asymmetric corticomedullary scarring, distortion of the renal pelvis and calyces, and interstitial fibrosis in the kidney.

These findings suggest that the kidney is not functioning properly, and that there has been long-term damage to the organ. The specific cause of the CKD can only be determined after further testing. Treatment options vary depending on the cause and the severity, but may include medications, lifestyle changes, and dialysis.

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