the end‑replication problem (telomere problem) exists in eukaryotic chromosomes and is characterized by the chromosomes shortening with each round of dna replication.

Answer:

Because of the elements' number of valence electrons.

Explanation:

the number of valence electrons (number of electrons in the outermost shell) determines the number of bonds an element can make and how close they are to having a filled shell, which elements are the most stable when their outermost shell is filled (8 electrons for smaller elements). For example, in group 1, the elements have one valence electron, which in order to have a filled shell, they would have to lose one electron. That would make their charge +1. On the otherhand, in group 7, the elements have 7 valence electrons. In order to achieve a full outer shell, they would have to gain one more electron. For example, Cl will form an ionic bond with Na (group 1), which Cl will take Na's 1 valence electron, resulting in a total of 8 valence electrons, which Cl will become -1 charge (one more electron than it originally has) and Na will become a +1 charge (one less electron than it originally has).

Because the group number represents the number of valence electrons in the outermost energy level of an atom, and the charge of an element is determined by the number of valence electrons it has.

Valence electrons are electrons that are found in the outermost energy level of an atom. They are responsible for the chemical properties of an element and play a crucial role in determining how the element will react with other elements.

Valence electrons are important because they are the ones that are involved in forming chemical bonds with other atoms. The number of valence electrons an element has is determined by its atomic number

Valence electrons are important because they are the ones that are involved in forming chemical bonds with other atoms. The number of valence electrons an element has is determined by its atomic number and the electron configuration of its atoms. In general, elements in the same group on the periodic table have the same number of valence electrons.

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The hepatic portal system deliver de-oxygenated blood to the liver for detoxification

The elements of the hepatic portal system are:

The primary vein that connects to the liver is called the hepatic portal vein. It develops where the inferior and superior mesenteric veins meet.
The inferior mesenteric vein joins the portal vein after receiving blood from the colon and rectum.
The superior mesenteric vein joins the hepatic portal vein after draining blood from the small intestine.
The splenic vein from the spleen and the gastric vein from the stomach come together to produce the gastrosplenic vein. Within the pancreas, it connects with the mesenteric vein.
The hepatic portal system cannot recognize substances meant to support it because it is made to remove poisons from the body causing detoxification

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The movement of the entire skeleton or skeletal elements utilizes the anchoring of muscles to attachment sites on the bones, which then serve as levers.

Muscles are anchored to tendon and fibrous connective tissue that attaches muscle to bone. Tendons may also attach muscles to structures such as the eyeball. A tendon serves to move the bone or structure.

Muscles attach to bones at locations called origins and Insertions. A skeletal muscle attaches to bone at two or more places. If the place is a bone that remains immobile for an action, the attachment is called an origin. When your muscle activates or bunches up, it pulls on the tendon. Tendons attach muscles to bones. The tendon pulls the bone and  make it move.

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If a mobile system requires a massive amount of energy, which organelle will need to be determined in greater quantity inside the cellular Mitochondria

Energy is the capability to do work. it's far wished by using all living matters Mitochondria and every residing mobile to carry out existence methods, such as breaking down and building up molecules, and transporting many molecules across mobile membranes. All living organisms need the strength to grow and reproduce, maintain their systems and respond to their environments. Metabolism is the set of life-sustaining chemical approaches that permits organisms to transform the chemical power stored in molecules into power that can be used for mobile tactics.

This energy comes from the food we eat. Our body digests the food we eat by mixing it with the fluids (acids and enzymes) inside the stomach. When the stomach digests food, the carbohydrates it contains (sugar and starch) are broken down into another type of sugar called glucose. Power doesn't always consist of something, energy is a period used to characterize memories and uncountable fields.

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[tex]\Large \boxed{\sf A}[/tex]

All cells require energy to function, but muscle cells typically have significant energy needs that can only be satisfied by the mitochondria, the cell's powerhouse. Muscles have many mitochondria, allowing them to respond rapidly to the body's energy needs. They transform glucose into ATP, a chemical with a vast energy storage capacity.

In a diploid human cell contains approximately 6.4 billion base pairs of DNA, 3.2 x 10^7 nucleosomes are present .

One nucleosome comprises of about 145 to 147 bp of DNA. If their is additional 40 bp of DNA present then it should be calculated by taking total sum the base pair of DNA present for a single nucleosome .

A nucleosome is the basic repeating subunit of chromatin packaged inside the cell's nucleus they are made from histone octamer. In human about six feet of DNA is packaged inside a nucleus with a diameter less than a human hair. Histones are basic proteins and are rich in lysine and arginine residues. Each nucleosome contains around 200 bp of DNA.

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use the equations written in blue at the top

example for 5mm:

side length (s) = 5mm

surface area (6s²) = 6(5²)mm²

volume (s³) = 125mm³

ratio (surface area/volume) = 1.2:1

The following are ways that plants help humans are

(A) acting as a carbon sink

(B) controlling erosion

(C) bioremediation

Bioremediation is a branch of biotechnology that uses living organisms such as microbes and bacteria to clean damaged areas. It is used to remove dirt, pollutants and toxins from soil, water and other environments.

Some of the most common types of bioremediation are

Bioremediation helps clean water sources, create healthier soils and improve air quality around the world. But unlike mining-based remediation processes, which can be disruptive, bioremediation is less disruptive and can facilitate environmental remediation  without harming sensitive ecosystems.

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Answer: Uracil Pairs with Adenine

Explanation:

Uracil is like the thymine from RNA

Answer:

100000

Explanation:

Because 1000×100 is 100000

1. (a) The impact of such a lot of human beings at the surroundings takes two important paperwork: intake of sources inclusive of land, meals, water, air, fossil fuels and minerals. Waste merchandise as a result of intake which include air and water pollution, poisonous substances and greenhouse gases.

1. (b) Although population growth within the 20th and twenty first centuries has skyrocketed, it may be slowed, stopped and reversed via actions which beautify worldwide justice and improve human beings's lives. underneath the United international locations' maximum constructive situation, a sustainable reduction in global populace may want to take place within decades.

2. Because of pollutants and deforestation, the health of many humans is terrible. protecting the environment would clearly improve the fitness of human beings. Maximum noteworthy, saving surroundings could lessen many sicknesses. Saving environment might genuinely guard the animals.

3. The health of human beings with low incomes often suffers because they can't manage to pay for good enough housing, meals, or infant care. Such living conditions, and the pressure they reason, can cause better quotes of tobacco and alcohol use and growth the risk of health issues developing or worsening over time.

4. The principle principle of arcology is to opposite city sprawl, which may be completed by means of creating communities and structures which are self-maintaining isolated from the outdoor world.

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Answer: Relatively large blocks indicate that the soil resists penetration and movement of water.

Explanation:

They are commonly found in the B-horizon where clay has accumulated.

Answer: monsoon winds

Explanation:

The speed of both routes is 654.2 km/s and 461.78 km/s respectively.

Calculation:-

1 mile = 1.61 km

2,439 mile =  2,439×1.61 km

                     = 3925.19 km

Speed of the First route,

Given time = 6 hours

displacement = 3925.19 km

Speed =  3925.19 km/ 6

           = 654.2 km/s

Speed of the second route,

Given time = 8.5 hours

Distance = 3925.19 km

Speed =  3925.19 km /  8.5 hours

           = 461.78 km/s

The difference in the return trip is due to the difference in speed.

The rate of trade of function of an object in any direction. velocity is measured as the ratio of distance to the time wherein the space turned into included. speed is a scalar amount as it has the simplest course and no significance.

speed is the time fee at which an object is moving along a route, at the same time as speed is the rate and direction of an object's motion. put any other way, velocity is a scalar value, at the same time as the pace is a vector. speed is a way of measuring how speedy something is shifting or being done, or something moving speedily. An example of speed is a car being driven at forty-five miles per hour.

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Relation between the Boiling Point and the Pressure is the system of pressure is directly proportional to the boiling point, If the systems pressure is higher, or having more energy will be needed to create the vapor pressure equal to the pressure.

The  boiling point can also be defined as the temperature at which the vapor pressure of the liquid is equal to the external pressure, where as the another term called as Melting point in which the solid will start to melting to become the liquid at a given temperature. On the other hand the freezing point was the temperature at which the liquid is converted into the solid occur. In Boiling point  the liquid was substance enters into the gaseous phase, if the external pressure is high, and in which that can lead to increase the temperature for the vapor pressure to become equal to that of the external pressure.

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The oxidation of pyruvate to acetyl CoA yields 1/3 carbon dioxide on glycolysis.

Glycolysis occurs in the cytoplasm and results in pyruvate. Pyruvate oxidation takes place in the mitochondrial matrix.

The following reaction results in the conversion of pyruvate to acetyl-CoA:

Pyruvate + NAD⁺ + CoA-SH ⇒ acetyl-CoA + NADH + CO₂

One molecule of pyruvate is converted into one molecule of carbon dioxide.

Also, two molecules of pyruvate are converted into two molecules of carbon dioxide (as glucose on glycolysis yields 2 molecules of pyruvate).

Acetyl-CoA also contributes to the citric acid cycle and generates two molecules of CO2.

Pyruvate thus generates a total of 3 molecules of CO2, whereas glucose generates 6 molecules of CO2 (as glucose on glycolysis yields 2 molecules of pyruvate)

Therefore, we get that pyruvate produces total 3 molecules of CO₂ and glucose produces 6 molecules of CO₂ (as glucose on glycolysis yields 2 molecules of pyruvate).

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According to the given statement The coastline has receded 24 centimeters after 8 years.

Earthen materials are worn away during erosion, a geological process in which they are moved by wind or water. Weathering, a related process that does not involve movement, dissolves or breaks down rock.

The coastline is said to regress by 3 centimeters annually.

The entire distance that the shoreline recedes is 8 times greater than it is in a year if this continues uninterrupted for 8 years. This is:

D = 8*3cm = 24cm

The coastline has receded 24 centimeters after 8 years.

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According to the given species, there are 4 categories of the modes of nutrition:

Modes of nutrition are the ways that a living organism can intake its food. There are main two modes: autotrophic and heterotrophic. The heterotrophic mode of nutrition is further classified into various other classes. These can be parasitic, holozoic or saprophytic.

Holozoic mode is the one where food is ingested in liquid or solid form. Parasitic mode is the one where a parasite lives on the or inside the body of the host and obtains its nutrition. Saprophytic mode of nutrition is where the nutrients are obtained from dead and decaying matter.

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Answer:

The bacteria in our our bodies help degrade the meals we eat, help make vitamins on hand to us and neutralize toxins, to identify a few examples[7]; [8]. Also, they play an imperative function in the defense against infections by protecting colonized surfaces from invading pathogens[8]; [9]. What are bacteria? What is the definition of bacteria in biology? Bacteria are described as organisms that are microscopic, unicellular, independently reproducing, and on the whole free-living. Bacteria are ubiquitous in nature. They are structurally easy however functionally complex organisms that shape the foundation of all life on earth. Most bacteria, barring a few, are beneficial for their environment. They play a variety of vital roles in the ecosystem such as breaking down the toxic components, recycling the nutrients, fixing nitrogen in the soil from the air, amongst many others.

The term which best implies to the aforementioned characteristics of the Indian is imagined community.

Imagined community is a term that refers to nationalism. The term nationalism means the promotion of interest of a nation with respect to maintaining and gaining the sovereignty of the nation on the behalf of every person who belongs to that nation.

However, Benedict Anderson introduced the concept of imagined community for the first time in 1983 in his book called 'Imagined Communities'.

Through this book he analyzed the concept of nationalism and concluded that a nation is a community based on common interests and socio-cultural values.

India is a thickly populated country with diverse ethnic and sectarian groups sharing common culture, opinions, interests, concerns and beliefs at the same level depicting nationalism.

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The other three types of lipids are:

Their functions include:

Lipids include a diverse group of compounds that are largely nonpolar in nature that help to provide insulation from the environment for plants and animals.

The types of lipids include:

The functions of lipid are many and includes energy storage in the molecules, provision of strength and structure to the cell, and act as a signaling molecule.

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At a pH of 5, the concentration of ethanol is the greatest so alcoholic fermentation is taking place at a fastest rate.

This is referred to as power of hydrogen and it is the measure of the acidity or alkalinity of a substance. pH of 7 is referred to as being neutral while pH of 1-6.9 is regarded as being acidic.

Fermentation on the other hand is a chemical process which involves the breakdown of glucose anaerobically. This means in the absence of oxygen and the product is ethanol which is how various types of beer are made in industries.

From the graph , we can deduce that the concentration of ethanol is highest at pH of 5. This therefore means that the alcoholic fermentation is taking place at a fastest rate and is therefore the reason why option C was chosen as the most appropriate choice.

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Poor oxygen affinity hemoglobin (Hb) Kansas is a hereditary hemoglobin variant that is linked to low oxygen saturation on pulse oximetry (SpO2).

Red blood cells include the protein hemoglobin, which transports oxygen to your body's organs and tissues and carbon dioxide from those tissues back to your lungs. You have a low red blood cell count if a hemoglobin test finds that your hemoglobin level is lower than normal (anemia).

To manufacture hemoglobin, the component of the red blood cell that carries oxygen to your organs, your bone marrow needs iron. Lack of iron in the diet, particularly in young children, teenagers, vegans, and vegetarians, can lead to anemia. certain medications, meals, and caffeinated beverages.

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The complete question is -

Hemoglobin Kansas (described by Bonaventura and Riggs in 1968) is a hemoglobin variant in which a Thr residue is substituted for Asn at residue 102 of the beta-chain. This mutation destabilizes the R state. Which graph could represent hemoglobin Kansas dissociation curve?

Mutation that did not affect the protein coded by a gene is silent point mutation .

Silent mutations generally occur when the shift of a single DNA nucleotide within a protein-coding portion of a gene does not disturb the sequence of amino acids that make up the gene's protein. Mutations that cause the modified codon to produce an amino acid with identical functionality are also classified as silent.

Silent mutation can some times be harmful it may cause pause during reading of genes .Many studies have also shown how silent mutation is responsible for many life threatening disease like breast cancer .

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Answer:

The function of carotenoids in plant is the dissipation of excess light energy.

Explanation:

Carotenoids are a group of chemicals that are found in food, the chemicals possess antioxidant properties, which help the cell to get rid of radical species. Carotenoids are also presents in plants.  In plants, carotenoids help the plants to absorb energy from sunlight to carry out photosynthesis. They also protect chlorophyll in plants from been damaged by the sun.

Answer:

Answer: The Golgi body

Explanation:

is served as a 'primary packaging area' for molecules that will be 'distributed throughout the cell. ' The 'Golgi body' is a 'membrane-bound organelle' of the eukaryotic cell which is made up of a series of 'flattened, stacked pouches' called 'cisternae'.

Answer: An author's main opinion in an argumentative text is the claim.

Explanation:

The recipes for Dustin's new cookbook were tested by many home cooks is the sentence written in passive voice and is denoted as option D.

This is referred to as the form of a verb in which the object of a sentence receives the action rather than performing it. The person or object who receives the action is emphasized than the one who performed it.

In this scenario, The recipes for Dustin's new cookbook were tested by many home cooks is the correct choice because the cookbook received the action and we can deduce that it was emphasized than the subject which is Dustin. The object which is the cookbook in this sentence also receives the action which is tested.

This is therefore the reason why option D was chosen as the most appropriate choice.

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Answer:

its option d.

Explanation:

give the person above brainiest i followed their advice and got it right :) just letting yall know its correct