how can mitochondrial dna be distinguished from eukaryotic nuclear dna?

Dr. Emori grows squash in her garden. She notices that only about 50% of the flowers on her squash develop into zucchini. The other 50% shrivel up and fall off. Assuming this is a perfectly healthy plant. The best phenomenon that will be described will be monoecious.

When there are both male and female sexual organs on the same plant,it is called monoecious. Examples are Cucurbita , charka, etc.The same plant consists of different flowers, some being male the others being female. Squash is generally monoecious. If we take a close look at squash flowers we can then specify which are female because they generally have a tiny fruit at the base. Therefore, the male flowers don't have a tiny fruit. We will know that only the female flowers produce fruit and that only 50% of the flowers on squash are female can save some heartache when all the flowers on the plant don't produce fruit.

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Blockage above the level of the bladder causes dilatation of the renal pelvicalyceal system, which is called hydronephrosis.

Hydronephrosis is the swelling or dilation of the renal pelvis and calyces, which are part of the kidney's collecting system. This dilation occurs when there is an obstruction or blockage in the urinary tract above the level of the bladder, preventing urine from draining properly from the kidneys.

Hydronephrosis can be caused by various conditions, such as kidney stones, tumors, urinary tract infections, congenital abnormalities, or strictures (narrowing) of the ureters. It is important to identify and treat the underlying cause of the blockage to prevent further complications and preserve kidney function.

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Answer:

Although you have not put the answer options, the movement of the plates in the situation shown above occurs with the approach of their continental plates that collide and bend due to the impact.

Explanation:

The converging movement of the plates indicates that two plates are moving towards each other until they collide. When these two plates are continental, the movement is called continental-continental convergent.

As the two continental plates have the same density, the impact between the two causes them to bend and not sink into each other.

Answer:

D) the plates smash together with no subduction

Explanation:

Got it right!

The process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called a mutation.

A mutation is a sudden and lasting alteration in the DNA sequence that can influence genetic variation. Changes in the DNA sequence can influence phenotype, which may or may not have an effect on an organism's fitness. Mutations occur spontaneously, either from errors in DNA replication or from exposure to mutagenic agents. Mutations may happen in either coding or non-coding regions of the DNA, and they can be either silent or expressed.

Evolution is a natural process that results in the gradual change of inherited characteristics in populations over generations. It is the process of alteration in the inherited characteristics of species over successive generations. In other words, it is the process of gradual changes that happen to species over time as they adapt to their environments. It can be defined as a change in the gene frequency in a population over time.

Types of Evolution 1. Natural Selection 2. Genetic Drift 3. Gene Flow 4. Mutation 5. Non-Random Mating 6. Admixture 7. Mutation Pressure 8. Genetic Draft 9. Bottleneck and Founder Effect 10. Sexual Selection the process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called a mutation.

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Answer:

c

Explanation:

was caused by water mold

Answer:

Sammi should consider applying SWOT model.

Explanation:

Sammi should consider her weaknesses and strengths. She should consider and list her weaknesses and then try to overcome these weakness by the available opportunities. She should know and list her strengths which she thinks are suitable to avail the opportunities coming her way. Sammi will then be able to deeply analyze the available opportunities and threats. She can find a way to improve herself and become more confident.

Explanation:

Cholesterol is the correct answer

The change in the color of the cricket population is a result of natural selection.

Natural selection refers to the process through which populations of living creatures adapt and change. Individuals within a population are inherently varied, which means they differ in certain respects. This variation implies that certain people have characteristics that are more suited to their surroundings than others. Individuals that possess adaptive features are more likely to live and reproduce.

These people then pass on their adaptive qualities to their descendants. These beneficial features grow increasingly widespread in the population over time. Natural selection ensures that beneficial traits are handed down across generations. Natural selection can lead to speciation, which happens when one species produces a new and distinct species. It is one of the mechanisms that drives evolution and contributes to our understanding of the variety of life on Earth.

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Primary succession occurs when a disturbance leaves only open empty spaces where there used to be a stable community.  1) climax community with plants and animals. 2) Disturbance occurrece: volcano erupted. 3) open rocky area with a few pioneer species arriving the area. 4) Different plant and animal species inhabiting and interacting in a new community. Probably secondary succession.

Primary succession is the process through which an alteration or disturbance affects a site and opens the area, where new species can grow.

It occurs in an open space with no living organisms, such as a bare rock exposed by a retreating glacier, volcanic activity, or an intense fire. These areas could have been previously inhabited by species, but nothing remained after the event occurrence.

With time, new species arrive and manage to establish themselves again. The order in which species establish depends on the strategies of each species to survive.

First, pioneer species arrive. These are the first inhabitants, mostly lichens or plants with the capability of surviving in such an environment.

Only a few pioneers can establish themselves in the open space. Pioneers modify the habitat. They make it more suitable for other later species' establishment, converting rock into fertile soil.

As conditions get better, new species arrive like grasses. Grasses and pioneers keep modifying the soil, making it better with time.

New species arrive. Habitat modification keeps on going while new species establish. They produce shadows, alter the temperature, and humidity, fertilize the soil, competing for resources. Different plant and animal species inhabit this new area.

Competition becomes more frequent between species. The first species are eventually eliminated by competition, but new species keep appearing and competing for resources. Secondary succession might occur.

This sequence continues until the commuting reaches a climax, becoming stable and lasting for hundreds of years until another disturbance occurs.

In the exposed example, we have four boxes in which we need to draw four scenarios and describe what is happening in each frame.

I will make a description of each box, then you can make the drawings.

1) Let us assume there was a climax community in which several animal and plant species inhabited together and interacted. This was a highly stable community.

2) Suddenly, the Saint Helen volcano erupted, and as lava emerged and ashes were spewed, all forms of life died and disappeared. This disturbance killed everything.

3) This new scenario is empty, and only exposed rock is left. Primary succession begins. A few little pioneer species are arriving in the area and managing to establish in there. Little by little, they prepare the area for new species.

4) In this scenario, there are already many plant and animal species. A new community has been born. This new community might go through secondary succession events until reaching a new climax state.

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Answer:

b) 50kg

Explanation:

You simply use F=ma equation, newtons second law

We are given: F=500N     a=10m/s^2    m=?

1) lets change F=ma to help us find the m, we divide both sides with the a so we get \(\frac{F}{a} =m\)

2) plug in the F and the a, \(\frac{500N}{10m/s^2} =m\), where \(\frac{N}{m/s^2} =kg\)

3) plug it in ur calculator and you should get 50kg

hope this helped :)

Intimate relationships play a role in the mechanisms of evolution as the process of attracting and selecting mates has direct or indirect consequences on evolutionary outcomes.

Intimate relationships have a significant impact on evolutionary processes due to the ways in which individuals attract and choose their mates. The process of mate selection influences the genetic composition of subsequent generations, leading to evolutionary changes. Individuals often exhibit preferences for certain traits in potential partners, such as physical attractiveness, intelligence, or behavior patterns. These preferences can influence mating choices and ultimately affect the genetic diversity and characteristics of offspring.

Furthermore, intimate relationships can also indirectly impact evolution through social interactions and cooperation between mates. Cooperative behaviors within relationships, such as parental care and shared resources, can enhance the survival and reproductive success of offspring, thus influencing evolutionary outcomes.

In conclusion, intimate relationships have implications for the mechanisms of evolution as they influence mate selection and subsequent genetic composition, as well as social behaviors that impact offspring survival. Understanding the role of intimate relationships in evolution provides insights into the complex interplay between biology and behavior.

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A DID debate stems from the argument a first claims of dissociation using existing diagnostic levels are invalid because scales were constructed poorly. The ways the scale are made causes more false positives.

A procedure used to identify a person's ailment or condition based on their indications and symptoms. Diagnostics can also be used to generate a prognosis, plan a treatment regimen, and assess how well that course of treatment is working.

Clinicians ought to be aware about certain factors about the tests they utilize since the primary goal of just about any medical method is to assist in determining how a patient has had and is not suffering from a specific condition1,2.

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Answer:

Explanation:

This is the the theory that describes protein building in this order: DNA to RNA to protein.  Protein is never back-translated to RNA or DNA; DNA is never directly translated to protein. Chromosome. This is the structure in the cell nucleus that houses a cell's genetic information.

Answer:

yes, i can. I can also make a 'w' with my tongue

Explanation:

Answer:

The pressure inside any enclosures on the moon would increase in pressure when the temperatures rise. This problem could be solved by having a portion of the enclosures that is flexible and can expand out for the pressure to decrease as necessary.

Answer:

It is a plant cell that is being observed

Explanation:

With in the cell, there are chloroplasts that ONLY a plant cell has. It also has a cell wall which an animal cell does not, so it is clearly not an animal cell.

Answer:

b

Explanation:

geologist

Answer:

when rocks titled or folded

The primary functions of whales include feeding, reproduction, communication, and migration.

Whales are primarily filter feeders or predators, depending on the species.

Filter-feeding whales, such as baleen whales, have baleen plates in their mouths that allow them to filter out small prey, such as krill or small fish, from large volumes of water.

Predatory whales, such as toothed whales, hunt and feed on various marine organisms, including fish, squid, and marine mammals.

Reproduction is another important function for whales. Most whale species have a gestation period of several months, with females giving birth to a single calf.

The calves are nursed with milk from their mothers and rely on their care for a period of time until they become independent.

Communication is vital for whales, as they rely on vocalizations to communicate with other members of their pod.

Whales produce a variety of sounds, including songs, clicks, and whistles, which serve purposes such as mating, social interactions, and navigation.

Migration is a common behavior observed in many whale species. Whales undertake long-distance migrations, often covering thousands of kilometers, to reach feeding grounds in nutrient-rich waters or to reproduce in specific breeding areas.

These migrations are driven by seasonal changes in food availability and environmental conditions.

In summary, the primary functions of whales encompass feeding, reproduction, communication, and migration, all of which are essential for their survival and successful adaptation to their marine environments.

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Answer:

hot water make it hard for fish to breathe

Explanation:

an increase in temperature of water will  reduced the dissolved oxygen in water and increase the metabolic rate of goldfish thus causing goldfish respiration rate

Axonomic proposals are made: emendations of the descriptions of X. citri, X. phaseoli and X. axonopodis, to encompass the strains of PG I, PG III and PG IV, respectively; and reclassification of X. perforans and X. alfalfae as X. euvesicatoria and emendation of the description of X. euvesicatoria to encompass all strains of PG II.

Strains:

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The abiotic components of an ecosystem include:

D. Nonliving components only

Abiotic components are the nonliving factors that influence and shape an ecosystem. These can include temperature, sunlight, water, air, soil, and minerals. They play a crucial role in the functioning and dynamics of the ecosystem.  

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To investigate the influence of low soil water availability on photosynthesis, Klaus Winter and Joseph Holtum (2014) subjected a potted Clusia pratensis plant to low soil water availability.

Photosynthesis is a process by which green plants and some other organisms use sunlight to synthesize foods with the help of carbon dioxide and water. The Clusia pratensis is a tree species that is native to tropical regions of South America. It is an important source of food and water for animals in these regions. In a study conducted by Klaus Winter and Joseph Holtum (2014), they subjected a potted Clusia pratensis plant to low soil water availability to investigate the influence of low soil water availability on photosynthesis.

Photosynthesis is a process that requires water, carbon dioxide, and sunlight to produce glucose. The glucose is then converted into energy that is used by the plant. In low soil water availability conditions, the plant may not have enough water to undergo photosynthesis. This can lead to a decrease in the plant's growth rate and productivity.In conclusion, low soil water availability can have a negative effect on photosynthesis and plant productivity. The study conducted by Klaus Winter and Joseph Holtum (2014) on a potted Clusia pratensis plant is a good example of this.

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False. The most common reason that introduced species cause trouble is not because they are larger than native species, but rather because they can outcompete native species for resources such as food, water, and shelter, or can prey upon native species, leading to declines or even extinctions of native species.

Introduced species can also bring with them new diseases or parasites that native species are not adapted to, further harming native populations. Additionally, introduced species can disrupt entire ecosystems by changing the way nutrients are cycled, altering the physical structure of habitats, or causing other changes that affect the distribution and abundance of species within an ecosystem.

Overall, it is the ecological impact of an introduced species that determines whether it is problematic, not its size relative to native species.

Some introduced species may have advantages over native species in terms of size, but this is not always the case. For example, the zebra mussel, a small freshwater mollusk native to Eastern Europe, has caused significant ecological and economic damage in North America since its introduction in the 1980s.

Similarly, the red imported fire ant, a small ant species from South America, has spread rapidly throughout the southern United States, causing harm to people, pets, wildlife, and agriculture.

In addition to size, other factors that can contribute to the impacts of introduced species include their ability to reproduce quickly, their lack of natural predators or competitors, and their ability to outcompete native species for resources such as food and habitat.

Additionally, introduced species can introduce new diseases, parasites, and other pathogens that can harm native species that lack immunity or defenses against them.

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In a coal-burning power plant, the coal is an example of an Input System. So, the correct option is (E).

Coal-burning power plants are defined as those plants that produce electricity by burning coal in boilers to generate steam. The steam produced under extreme pressure flows into a turbine, which spins a generator to create electricity, then it cools, condenses back into water and returns to the boiler to start the process.

About 50% of coal is used as the primary fuel for power generation. The main function of a coal fired thermal power plant is to convert the energy available in the coal into electricity where as power plants work by using multiple stages to convert the stored energy coal for usable electricity which is an example of input system.

Thus, In a coal-burning power plant, the coal is an example of an Input System. So, the correct option is (E).

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Answer: The primary function of pyloric valve is to pass the food from stomach to the top of small intestine

Explanation: The pyloric sphincter at the bottom of the stomach is a muscular valve which helps to transfer food from stomach to small intestine.

Stomach is a muscular sac about the size of a small melon . once the stomach breaks the complex and strong muscular contractions , food is pushed towards the pyloric valve . This valve leads to the upper portion of your small intestine, a segment known as the duodenum.

Native species are species that are native to a particular ecosystem. Indicator species are tools for understanding and managing the health of ecosystem. Invasive species are non-native species that have been introduced to a new environment.

Examples of native species in a tropical rainforest include the red maple tree, which is native to eastern North America and is an important source of food and shelter for many species of animals, and the eastern gray squirrel, which is native to North America and is an important seed disperser in many forests. All other examples also given below.

These species have evolved in response to the specific environmental conditions of the ecosystem and have developed unique adaptations to survive in that environment.  When discussing species in a tropical rainforest, it is important to consider whether they are invasive, indicator, or native species.

Invasive species are non-native species that have been introduced to a new environment and have the ability to outcompete native species for resources. Invasive species can cause significant harm to the ecosystem by altering the balance of species and disrupting the natural processes that maintain the ecosystem.

Some examples of invasive species in a tropical rainforest include lionfish, which are native to the Indo-Pacific but were introduced to the Atlantic Ocean and have become a invasive species there, and kudzu, which is native to Japan but was introduced to the United States.

Indicator species are species that can be used to indicate the health of an ecosystem. These species can be used to monitor changes in the ecosystem over time and to identify potential threats to the ecosystem. For example, the tiger swallowtail butterfly is an indicator species in a tropical rainforest because it is sensitive to changes in the environment and can be used to monitor the health of the ecosystem.

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Answer:

organic matter

Explanation:

if I'm wrong please let me know

Interpreting a dichotomous key is not too difficult. Simply do the following:- closely monitor your organism, own a biological vocabulary or be familiar with some technical phrases; adhere to the instructions.

The dichotomous key will direct you to the solution. In the illustration, we have a type of plant with irregularly shaped blue blooms that have five petals. The fruits are follicles or ripened flower ovaries.

The phrase "irregular flower" describes asymmetrical flowers with only one plane.

Follicle: A term used to describe the dry, dehiscent fruits that result from a single-carpel flower. When fully grown, they split along the ventral suture.

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A dichotomous key's interpretation is not too challenging. Simply follow the instructions, keep a careful eye on your organism, have a working knowledge of some technical terms or possess a biological vocabulary.

The answer will be revealed by using the dichotomous key. In the illustration, we see a particular kind of plant with five-petalled, atypically formed blue blossoms. Follicles or matured flower ovaries are the fruits.

One-planed asymmetrical flowers are referred to as "irregular blooms."

The term "follicle" refers to the dried, dehiscent fruits that emerge from a single-carpel flower. They divide at the ventral suture when completely grown.

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Answer:

21,19,25,23

Explanation:

You are adding 6 to get the next number, than subtract 2 from the the number

Answer:

more worms are need for the soil to make it healthy

Explanation:

Worms help to increase the amount of air and water that gets into the soil. They break down organic matter, like leaves and grass into things that plants can use. When they eat, they leave behind castings that are a very valuable type of fertilizer. Earthworms are like free farm help.

Answer:

hahah gu

Explanation:

because I dont know