which ofthe following is not found in a prokaryotic cell? a) cytoplasm b) ribosome c) plasma membrane d)m i t o c h o n d r i o n e) nucleoid

Answer:

All living things share life processes such as growth and reproduction. Most scientists use seven life processes or characteristics to determine whether something is living or non-living.

The table below describes seven characteristics of most living things and contains references to earthworms to explain why we can definitely say that they are 'living'.

Explanation:

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The nonfreezing cold injury that results in painful, red, swollen, hot-to-the-touch skin is called chilblains. Chilblains occur due to prolonged exposure to cold and damp conditions, causing damage to the small blood vessels in the skin. The affected area may appear red or purple and may also develop blisters, itching, and burning sensations.

Chilblains can affect any part of the body, but they are commonly found on the fingers, toes, ears, and nose. They usually appear a few hours after exposure to cold temperatures and can last for several days or even weeks. In severe cases, chilblains may cause skin ulcers, which can become infected.

To prevent chilblains, it is important to keep the affected areas warm and dry, avoid exposure to cold and damp conditions, and avoid sudden changes in temperature. Treatment for chilblains includes keeping the affected area warm, using topical creams to relieve itching and burning sensations, and taking pain relievers if necessary. In severe cases, medical intervention may be required to prevent infection and promote healing.

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The most significant predictor of childhood obesity is maternal obesity.

Numerous studies have shown that maternal obesity is strongly associated with an increased risk of childhood obesity. Maternal obesity during pregnancy can have long-lasting effects on the developing fetus, including alterations in metabolism, hormonal imbalances, and changes in the developing brain.

These factors can contribute to an increased susceptibility to obesity in childhood and later in life.

Maternal obesity can influence the intrauterine environment, leading to an overexposure of the fetus to excessive nutrients and adipokines, such as leptin, insulin, and inflammatory cytokines. This can disrupt the normal development of metabolic pathways and regulatory mechanisms involved in energy balance and body weight regulation.

Additionally, maternal obesity can also impact early feeding practices, such as breastfeeding initiation and duration, as well as the introduction of solid foods. These factors can further contribute to the development of unhealthy eating habits and an increased risk of childhood obesity.

It is important to address maternal obesity as part of comprehensive strategies to prevent and manage childhood obesity. This may include interventions targeting preconception and prenatal care, promoting healthy lifestyles and weight management, and providing support for breastfeeding and healthy infant feeding practices.

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The effect of changes in one population on the populations in an ecosystem can vary depending on the specific situation. However, there are some general patterns that can be observed.

What is ecosystem ?

An ecosystem is a community of living organisms and the non-living components of their environment with which they interact. It includes all of the living things in a particular area, such as plants, animals, and microorganisms, as well as the physical and chemical components of their environment, such as water, air, soil, and sunlight.

Ecosystems can be of different sizes, ranging from small microhabitats to entire biomes like a forest, desert or a marine ecosystem. Each ecosystem has its unique set of physical and biological characteristics that shape the interactions among the living and non-living components. The different species in an ecosystem are interdependent and rely on each other for survival and reproduction.

For example, if a population of predators were to increase in size, this could lead to a decrease in the population of their prey. This, in turn, could cause a decrease in the population of organisms that rely on the prey as a food source, potentially leading to a cascade effect throughout the food web.

Conversely, if a population of prey were to increase, this could lead to an increase in the population of their predators. This could also have ripple effects throughout the ecosystem, as the increase in predators could lead to a decrease in the population of their own prey or an increase in competition for resources.

Changes in one population can also have indirect effects on other populations in the ecosystem. For example, if a population of plants were to decline due to environmental factors, this could affect the populations of animals that rely on those plants for food or habitat.

It is important to note that the relationships between populations in an ecosystem are complex and dynamic. While it is possible to make predictions about the effects of changes in one population, the actual outcomes will depend on a variety of factors, including the specific organisms involved, the nature of the environmental changes, and the interactions between different populations in the ecosystem.

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Answer:One Direction

DNA Polymerase Only Moves in One Direction

Explanation:

After a primer is synthesized on a strand of DNA and the DNA strands unwind, synthesis and elongation can proceed in only one direction. As previously mentioned, DNA polymerase can only add to the 3' end, so the 5' end of the primer remains unaltered.

D.) The Japanese suffered the greatest loss of life among the Axis powers. This is supported by the information that Japan had 2 million military casualties and .6 million civilian casualties, which is the highest among the Axis nations listed.

Power is the ability to exercise control or authority over someone or something. It is the capacity to influence the behavior of others and the outcomes of events. Power can be expressed in many forms, such as authority, influence, persuasion, or force. It can manifest in the form of physical, mental, or social energy, and is the foundation for the development of leadership. Power can be used for either positive or negative purposes, depending on the user's intentions. Power is often seen as an advantage, but it can also be a source of tension, conflict, and competition. Ultimately, power is necessary for social, economic, and political stability.

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Complete Question:
Use the information below to answer the question that follows:

A horizontal bar chart depicting World War II military and civilian casualties for both Allied and Axis countries is shown. On the lower right, a pie graph shows the deaths of Allied civilians, Allied military, Axis civilians, and Axis military as a percentage of total WWII-related deaths. The Allied countries listed include the Soviet Union, China, Poland, Indonesia, India, Yugoslavia, French Indochina, France, United Kingdom, United States, Lithuania, Czechoslovakia, Greece, Burma, and Latvia. The Axis countries listed include Germany, Japan, Romania, Hungary, Italy, and other. Countries with at least two million military casualties include the Soviet Union (11 million), China (3.8 million), Germany (5.7 million), and Japan (2 million). Countries with less than one million military casualties include India (.1 million), Yugoslavia (.4 million), France (.2 million), the United Kingdom (.4 million), the United States (.4 million), Romania (.4 million), Hungary (.4 million), Italy (.4 million), and other (.4 million). Countries with more than one million civilian casualties include the Soviet Union (12.5 million), China (15.2 million), Poland (4.8 million), Indonesia (4 million), India (1.5 million), French Indochina (1 million), Germany (2 million), and other (1.2 million). Countries with less than one million civilian deaths include Yugoslavia (.6 million), France (.4 million), Lithuania (.3 million), Czechoslovakia (.3 million), Greece (.3 million), Burma (.2 million), Latvia (.1 million), Japan (.6 million), Romania (.4 million), Hungary (.2 million), and Italy (.1 million). The pie chart shows that Allied Civilian deaths were 58 percent of the all WWII deaths, Allied Military deaths were 25 percent, Axis Military deaths were 13 percent, and Axis civilian deaths were 4 percent.

Which of the following statements is supported by the information above?

A.) There were more military deaths globally than civilian deaths.

B.) The Axis nations lost more people overall than the Allied nations.

C.) Poland lost the highest percentage of their country's population in the war.

D.) The Japanese suffered the greatest loss of life among the Axis powers.

The pad of fatty tissue that covers the area of the pubic bone is called the mons pubis

The pubic bone is protected by a fatty cushion called the mons pubis. The mons, or mons veneris in females, is another name for it. Although both have a mons pubis, females tend to have it more pronounced.

Females tend to have a large mound of tissue that is typically covered in pubic hair. During sexual contact, the mons pubis serves as a source of cushioning. Sebaceous glands that release pheromones to promote physical attraction are also found in the mons pubis.

The mons pubis is a part of the vulva. This is the rounded region in the bottom portion of the belly that is in front of the pubic bones (abdomen). At puberty, it grows hair all over it. The vulva has two skin folds.

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During the study of genetics and inheritance, it is important to observe the sexual cycle of fungi to determine the genetic variations within the offspring. In the 1920s, T. H. Morgan and his colleagues used fungal genetics to test the hypothesis of the existence of recombination. For instance, they observed the sexual cycle of the common bread mold, Neurospora crassa, to investigate how crossing-over occurs between homologous chromosomes during meiosis.

As a result of their investigation, Morgan and his colleagues discovered that, during meiosis, four haploid ascospores are produced within a specialized sac called an ascus. These ascospores are produced when two nuclei from two different hyphae (cells) combine and fuse together.

This fusion creates a cell with two haploid nuclei, which subsequently undergoes meiosis to create four haploid ascospores. Hence, an ascus will contain four haploid ascospores produced by a single diploid cell resulting from the fusion of two haploid cells.

The percentage of asci observed that resulted from the fusion of cells from different strains is 100%. This is because the fusion of haploid cells from different strains is essential for the production of a diploid cell that will then undergo meiosis to form four haploid ascospores.

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Answer:

synthetic lethality or synthetic enhancement

Explanation:

About 5 genes were involved in producing the dramatic differences between teosinte and modern corn. Option B is correct.

The process of domestication in plants and animals involves genetic changes that lead to the emergence of new and desirable traits. In the case of corn, the wild ancestor teosinte underwent significant changes during domestication to become the highly productive modern crop we have today. Research has shown that only a few genes were responsible for the major differences between teosinte and modern corn.

A study published in the journal Nature in 2012 identified five genes that played a crucial role in the transformation of teosinte to modern corn. These genes were involved in controlling the size and shape of the corn ear, the number and arrangement of kernels on the ear, and the timing of flowering. By selectively breeding plants with desirable traits, early farmers were able to create corn varieties that were more productive and better suited to their needs.

While the changes in these five genes were key to the transformation of teosinte to modern corn, it is important to note that many other genes also contribute to the overall characteristics of corn. Nevertheless, the discovery of these five key genes has provided important insights into the process of plant domestication and the genetic basis of important crop traits. Option B is correct.

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Answer:

A. Transription and translation

Explanation:

Answer:

Protein synthesis can be divided broadly into two phases - transcription and translation. During transcription, a section of DNA encoding a protein, known as a gene, is converted into a template molecule called messenger RNA (mRNA).

Explanation:

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Answer:

With increase of deer, there will be a decrease of producers.

Explanation:

Increasing of deer populations means decreasing of producers. As more and more deers are eating plants, the producer population will decrease. Thus, the producer population are in demand and deers will eventually need to fight for food with other deers–– this is known as competition, which is a biotic factor. An abiotic factor can be lack of oxygen once the producer population has been decreased due to the increase deer population.

Answer:

Both ammonia and chlorine are soluble in water and hence, would dissolve in water if substance X is water and could not be collected. Ammonia gas would react with concentrated sulphuric acid to produce a salt and as ammonia is less dense than air, it should not be collected via a downwards delivery method.

Answer:

just think of the most basic or obvious and put it on or just think if u where in one what they would be wit someone elses

Explanation:

The structure that is highlighted is the common hepatic artery.

This artery is a branch of the celiac trunk and supplies blood to the liver, gallbladder, pancreas, and duodenum. It is an important structure in the digestive system and plays a crucial role in the absorption and distribution of nutrients.

The common hepatic artery is located in the upper abdomen and can be identified by its location near the superior mesenteric artery and splenic artery. It is important to note that the inferior mesenteric artery and pancreatic artery are also important structures in the digestive system, but they are not the structure that is highlighted in this question.

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Diamond and graphite are two different forms of carbon with unique properties. Diamond is very hard and transparent, while graphite is soft and dark gray, often used in pencils. Despite both being made of carbon atoms, they have different bonding arrangements.

In diamond, carbon atoms are tightly bonded in a three-dimensional structure. Each carbon atom is connected to four neighboring carbon atoms, forming a strong lattice. This arrangement gives diamond its hardness and transparency.

In graphite, carbon atoms are arranged in layers. Within each layer, the carbon atoms form hexagonal patterns and are bonded together. However, the layers are held together by weaker forces, allowing them to slide past each other easily. This is why graphite is soft and can leave marks on paper when we write.

Besides diamond and graphite, there are other types of carbon allotropes. For example, fullerenes are spherical carbon molecules with unique properties. Carbon nanotubes are cylindrical structures made of rolled-up graphene sheets. These different allotropes have their own distinct properties based on their bonding arrangements.

So, even though diamond and graphite are made of the same carbon atoms, their different bonding structures result in their contrasting properties, such as hardness, transparency, and softness. Exploring these allotropes and their atomic bonds helps us understand the relationship between the structure of substances and their properties.

The bonding structures between carbon atoms in diamond and graphite differ, resulting in varied properties. Creating physical models from everyday items can help visualize these structures. Other carbon allotropes include fullerene and graphene, each with unique bonding and properties.

The bonds between carbon atoms in diamond and graphite differ in the way they are structured. In a diamond, each carbon atom is bonded to four other carbon atoms in a tetrahedral structure. This strong, three-dimensional network of bonds is what gives diamond its hardness. On the other hand, in graphite, each carbon atom is bonded to three others in a layered, hexagonal structure. This allows layers to slide over each other easily, making graphite soft and slippery.

For building physical models, you could use marshmallows or beads to represent carbon atoms and toothpicks or straws for bonds: arrange them in different ways for diamond and graphite. From this, you'll learn that the same atoms can form different structures with different properties based on their bonding.

Other allotropes of carbon include fullerene (spherical-shaped) and graphene (one-atom-thick layer of carbon). Fullerene has weak van der Waals forces between its molecules, and graphene has a strong, two-dimensional network of carbon atoms.

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kinetic energy is needed by the molecules in order to escape from the surface.

All the water molecules in the liquid are moving randomly due to the presence of some energy in it. Some of the molecules have more kinetic energy due to absorption of heat energy from the surrounding environment.

Due to high kinetic energy, these molecules move enough to escape the surface of the liquid. This is called boiling point. This makes the liquid become gas so we can conclude that kinetic energy is needed by the molecules in order to escape from the surface.

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The ability to use old cells is an advantage of all DNA testing procedures.

Viruses always reproduce in a host cell. They are obligate intracellular Parasites, which means that they require a host cell to replicate and Produce new virus particles.

The virus attaches to the surface of the host cell and injects its genetic Material into the cell. Once inside, the virus hijacks the host cell's Machinery to produce new virus particles. The genetic material of the Virus Directs the host cell to produce viral proteins and assemble new Virus Particles.

The newly formed virus particles then leave the host cell, either by Causing The host cell to burst open (lysis) or by budding out of the cell Membrane. The new virus particles can then go on to infect new cells And continue the Cycle of replication.

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Answer:

Asexual reproduction, the simplest and most primitive method of reproduction, involves a single parent and produces a clone, an organism that is genetically identical to the parent. Haploid gametes are not involved in asexual reproduction. A parent passes all of its genetic material to the next generation.

Explanation:

A fracture in which the bone is fragmented into more than two pieces is called a comminuted fracture.

Comminuted fractures are characterized by the bone being broken into multiple fragments, resulting in a more complex fracture pattern. Unlike simple fractures where the bone is broken into two pieces or a few distinct fragments, comminuted fractures involve multiple small fragments. These fractures are often caused by high-energy impacts, such as severe trauma or significant force applied to the bone.

The fragmentation of the bone in comminuted fractures can pose challenges in the treatment and healing process. The presence of multiple bone fragments makes it difficult for the broken ends to align properly, and the risk of complications, such as delayed healing or nonunion, is increased. Surgical intervention is often required to realign the bone fragments and stabilize them using various techniques, such as plates, screws, or external fixation devices. Proper management and immobilization of comminuted fractures are crucial to promote bone healing and restore normal function.

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The chemical equation for photosynthesis is 6CO2+6H2O→C6H12O6+6O2. 6CO2+6H2O→C6H12O6+6O2. In plants, the process of photosynthesis takes place in the mesophyll of the leaves, inside the chloroplasts.

Answer:

C6H12O6 + 6O2

Explanation:

Carbon dioxide and water is used to make glucose (C6H12O6) and oxygen (6O2).

loses the ability to hold water vapol

Answer:

Mollisols

Explanation:

The soil of the temperate grasslands is deep and dark, with fertile upper layers. It is nutrient-rich from the growth and decay of deep, many-branched grass roots. The rotted roots hold the soil together and provide a food source for living plants.

Answer:

Mollisols

Explanation:

Because these temperate grasslands have cold winters, and warm summers, and have medium to low precipitation. They form in areas that are too dry to be forested, but too wet to be desert. Most of the prairie soils are called Mollisols (latin for soft), because of their deep, dark layer of topsoil.

Answer:

When precipitation exceeds evapotranspiration and runoff in an area, the result is moist soil and possible flooding. Vegetation reduces runoff in an area but increases evapotranspiration. ... The volume of water moved by a stream in a given time period.

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