A nucleus acid with double strands contains the nitrogenous bases adenine, thymine, cytosine, and guanine. What type of nucleus acid is this/where is it found in the cell?

Although A Long Way Gone by Ishmael Beah is a memoir, it uses many elements of fiction.

Memoir is a type of literary genre that constitutes a personal narrative and its most significant feature is the insertion of the writer himself as the main character.

Writing an memoir implies a literary pact and not a historical or documentary one, because sometimes the narrative presents a memorialistic rescue (based on reality) and sometimes it builds the plot with the threads of fiction.

So, in this case, A Long Way Gone by Ishmael Beah is a memoir, it uses many elements of fiction.

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Dialkyl phosphonates (diesters of phosphonic acids) act as nucleophiles in this reaction.

Dialkyl phosphonates are a class of organic compounds which have the general formula (RO)2P(O)H, where R is a short-chain alkyl group (usually methyl or ethyl). Dialkyl phosphonates act as nucleophiles in reactions, meaning they have a high affinity for positively charged atoms (in this case, the carbonyl carbon of an aldehyde or ketone).

This reactivity is due to the electron-withdrawing properties of the phosphonate group, which makes the carbon more susceptible to attack by the nucleophile. The use of dialkyl phosphonates as nucleophiles is particularly useful in the Horner-Wadsworth-Emmons (HWE) reaction, a type of olefination reaction that allows for the formation of carbon-carbon double bonds between aldehydes or ketones and phosphonate esters.

The reaction is catalyzed by a strong base (usually triethylamine), which deprotonates the phosphonate ester to form a reactive ylide intermediate that can then undergo nucleophilic addition to the carbonyl group of the aldehyde or ketone.

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Answer:

i agree

neuron undergoes mitosis, two daughter cells are produced, one daughter cell is a stem cell, one daughter cell is identical to neuron

Explanation:

neuron undergoes mitosis, two identical daughter cells are produced, daughter cells divide to produce stem cells. neuron undergoes mitosis, two daughter cells are produced, one daughter cell is a stem cell, one daughter cell is identical to neuron.

Answer:

D. stem cell undergoes mitosis, two daughter cells are produced, one daughter cell is a neuron, one daughter cell is identical to stem cell

Explanation:

A, a bowling ball rolling tworads the pins

Explanation: Kinetic energy is displayed when an object is moving. All the other answer choices are still.

Answer:

Plato

Explanation:

What traits would orchids have if the MADS-box genes were not duplicated?

If a genetic mutation changed the shape of the flowers, would pollinators still be attracted to orchids?

The two scientific questions that should have been asked about the DNA or traits of these orchids are:

1. What generations are these orchids?

2. What is the meaning of DNA?

A scientific question is one that can be answered and put to the test and explains a specific component of a larger investigation into nature. It is written in a way that responds to a scientific investigation.

An additional question cannot be appended to a scientific inquiry because it is too broad or complex. Instead, it looks for a solution to a specific facet of a more general topic.

The question can be resolved using conventional scientific methods. It should also be possible to duplicate it using the tools and procedures described in any international standard laboratory.

Therefore, the scientific questions are

1. What generations are these orchids?

2. What is the meaning of DNA?

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Answer:

B.) Cells must maintain an internal balance to perform their specialized functions; homeostasis allows this to happen.

Explanation:

Edge2020

Cells must maintain an internal balance to perform their specialized functions; homeostasis allows this to happen. Therefore option 2 is correct.

Homeostasis refers to the ability of cells and organisms to maintain a stable internal environment despite external changes or fluctuations. It is essential for cells to maintain homeostasis because it enables them to carry out their specialized functions efficiently. Here's why:

Optimal Functioning: Cells have specific functions and tasks to perform within the body, such as producing energy, synthesizing proteins, and transmitting signals.

For these processes to occur optimally, the internal environment of the cell needs to be maintained within a narrow range of conditions, including temperature, pH, ion concentrations, and nutrient levels. Homeostasis ensures that these internal conditions are regulated and kept stable, allowing the cells to function properly.

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Answer:

because the more alike species are The more they have to adapt to try and compete with one another So the more different a species is the less they have to compete

Answer:

the decrease in biodiversity may cause a significant reduction in the productivity of the ecosystem. The loss of biodiversity means genetic variations are lost and the overall genetic pool reduces.

Explanation:

Egde 2022

Answer: Cellular respiration is the process in which cells break down glucose, release the stored energy, and use it to make ATP.

or

Fermentation. Some organisms are able to continually convert energy without the presence of oxygen. They undergo glycolysis, followed by the anaerobic process of fermentation to make ATP.

Explanation:

I got two answer so this is the best I can do :)

Answer:

by Cellular respiration

Explanation:

Cellular respiration is a  place in the cells of organisms to convert chemical energy from oxygen or nutrients into adenosine triphosphate which is the main carrier for energy in cells. so this is how cells release stored energy to the body when there is no oxygen.

Answer:

epistasis

Explanation:

Epistasis refers to the genetic mechanism by which the expression of one gene is affected by the expression of other gene/s. In epistasis, two or more genes interact with each other in order to determine a phenotypic trait, thereby a particular gene contributes or masks the expression of other gene/s. In humans, the gene for albinism (absence of melanin pigment) is an example of an epistatic gene that prevents pigment formation and color formation. On the other hand, a pleiotropic gene is a single gene that affects more than one phenotypic trait (e.g., a mutation in a single gene that codes for phenylalanine hydroxylase enzyme results in multiple phenotypes associated with phenylketonuria disorder).

In plants, the conversion of carbon dioxide into carbohydrates takes place in the chloroplast.

In plants, the conversion of carbon dioxide into carbohydrates will takes place in chloroplasts, which are specialized organelles found in the cells of green tissues. This process is called photosynthesis and is the primary means by which plants produce energy and food.

During photosynthesis, carbon dioxide and water are combined in the presence of light and chlorophyll to produce glucose (a simple sugar) and oxygen. The glucose is then used by the plant as a source of energy, while the oxygen is released into the atmosphere as a waste product. This process is crucial for life on Earth, as it provides the primary source of food for most living organisms and is responsible for producing the oxygen in the atmosphere.

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Rings of bone connective tissue that surround the central canal of an osteon are called  -circumferential lamellae

They are found at the outermost and innermost regions of the osteon and help to provide structural support and stability to the bone. The circumferential lamellae also act as a barrier to prevent the central canal from expanding or collapsing under pressure.

They are composed of layers of densely packed collagen fibers and mineral crystals, which give bone its strength and resilience. Overall, the circumferential lamellae play an important role in maintaining the integrity and function of the skeletal system.

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Full Question: Rings of bone connective tissue that surround the central canal of an osteon are called ______.

Answer:

OF COUSE IT C

Explanation:

Answer:

C

Explanation:

I think the answer is C.

The different kinds of water effects the water and the sunlight. This helps show how much water and sunlight each plant gets and it will bring results.

I hope this helps you! Have a great day!

Answer:

Humoral. The parathyroid is stimulated by the actual level of calcuim in the blood rather than by neural or hormonal stimulus.

Explanation:

Answer:

Image result for one example in how a bunny rabbit can sense and respond to change

If a rabbit's ears are facing forward, it might hear a noise that makes it feel happy or curious. If its ears are pressed down against their body, it may hear something that annoys it or makes it feel sleepy, like soft music. Another way they change is if its a wild rabbit its fur can turn white during the winter time so that they blend in with the snow around them. I hope that this helps you.

Complete question:

Drag the tiles to the correct boxes to form the correct pairs. Not all tiles will be used.  Match each example given to the type of scientific concept.

1.law

2.hypothesis

3.theory

4.observation

a.The outer layer of the Earth is  divided into plates that move  due to convection currents  under the surface.

b.If the amount of daylight  increases plant growth, then  plants will have higher rates  of growth during the summer.

c.For every action or force  in nature, there is an equal  and opposite reaction.

Answer:

3. theory → a. The outer layer of the Earth is  divided into plates that move  due to convection currents  under the surface.

2. hypothesis → b. If the amount of daylight  increases plant growth, then  plants will have higher rates  of growth during the summer.

1. law → c. For every action or force  in nature, there is an equal  and opposite reaction.

Explanation:

THEORY

The scientific theory explains facts or the cause of natural phenomena and makes predictions about them. It is based upon direct observation and scientific methodology.  

The theory is fundamental to science because it allows scientists to organize and understand observations.  

HYPOTHESIS

A hypothesis is a prediction done by the researcher when trying to answer a problem question. It is a conjecture, which has not been verified yey, nor refused, and that requires corroboration. It is a possibility, but not a fact. The researcher performs the experiment and concludes if the hypothesis is rejected or accepted. The prediction must be objective, expressed in a comprehensive manner, and reflect a logical relation between the variables involved in the experiment.

LAW

Law is a statement that establishes a relationship between variables explaining the cause of natural phenomena. It is based upon empirical information and evidence obtained after many repeated experiments and observations. Many scientists agree with the statement and use it to perform a research project.  A law cannot be changed.

False. Neural synchrony is not a phenomenon that explains why yellow objects always fire at the same neural response frequency, while blue objects fire at a different neural response frequency.

The coordination of brain activity among several neurons or neural networks is what is meant by the term "neural synchrony." It is believed that the brain needs to coordinate its neural activity in order to process information effectively.

A bigger neural response results when many neurons fire in a coordinated fashion. It is believed that this synchronisation enables the coordination of neuronal activity throughout the brain required to create memories and perform challenging cognitive tasks.

Moreover, it has been proposed that synchronisation plays a part in the communication between neurons, allowing them to react swiftly and precisely to inputs.

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The probability of having a son with reduced fertility is 1/2, The probability of having a daughter with reduced fertility is also 1/2, the genotypes of the parents are male (Yf/Y) and female (Y/YF).

What is probability?

Assuming the male has the genotype Yf, and the female has the genotype Y/YF (carrying one normal and one mutated Y-chromosome), the Punnett square for their offspring can be constructed:

                  Yf                                Y

YF              YfYF (normal)             YFY (normal)

YF              YfY (reduced)             YY (reduced)

Therefore, the probability of having a son with reduced fertility is 1/2, as there are two possible outcomes for a male child: YfY or YFY. The probability of having a daughter with reduced fertility is also 1/2, as there are two possible outcomes for a female child: YfYF or YfY.

So the genotypes of the parents are male (Yf/Y) and female (Y/YF).

What is genotype?

Genotype refers to the genetic makeup of an organism, which includes all of its inherited genes or alleles. It determines an organism's physical and behavioral traits, as well as its susceptibility to certain diseases or disorders. Genotype is inherited from an organism's parents and is responsible for passing traits from one generation to the next through the process of reproduction. The genotype of an organism can be studied through techniques such as DNA sequencing and genetic testing.

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Answer: taking animals profit, hunting, trapping

Explanation:

There are many causes of extinction like overuse of resources, loss of natural habitat, pollution etc.

Overuse of resources - Day by day human population is on a rapid rise and with this increasing population, the usage of resources is being increased which results to extinction of resources and different organisms.

Loss of natural habitat - Due to increasing usage of resources, humans had spread to each and every corner of the world, which in turn had affected the natural habitats of animals.

Pollution- It plays a main role in extinction of different species, due to pollution the air and environment is affected badly, which makes it difficult for animals to survive.

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Answer:

Hydrocarbonyl elements

Explanation:

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The breathing rate of a person varies depending on the body's oxygen demand, the amount of nitrogen gas remains the same in inhaled and exhaled air due to its inert nature, carbon monoxide is harmful because it interferes with oxygen transport, and lime water turns milky when we blow into it due to the presence of carbon dioxide gas.

i) The breathing rate of a person is not always constant because it is regulated by various factors, including the body's need for oxygen. For example, during physical activity or exercise, the body requires more oxygen to meet the increased energy demands.

This leads to an increase in the breathing rate to supply more oxygen to the working muscles. Conversely, during rest or sleep, when the body's oxygen demand is lower, the breathing rate decreases.

ii) The amount of nitrogen gas remains the same in inhaled and exhaled air because nitrogen is an inert gas that does not participate in the body's metabolic processes.

When we inhale air, it contains about 78% nitrogen, and when we exhale, the composition of the exhaled air remains the same. This is because the lungs do not extract or utilize nitrogen from the inhaled air during respiration.

iii) Carbon monoxide is a harmful gas because it interferes with the body's ability to transport oxygen. When carbon monoxide is inhaled, it binds to hemoglobin in the red blood cells more strongly than oxygen does.

This prevents oxygen from binding effectively to hemoglobin, leading to a decrease in the oxygen-carrying capacity of the blood. As a result, the body's organs and tissues are deprived of the oxygen they need, which can lead to serious health consequences, including tissue damage and even death.

iv) Lime water turns milky when we blow into it because of the presence of carbon dioxide gas. When we exhale, the air contains carbon dioxide, which can dissolve in water to form carbonic acid.

This carbonic acid reacts with the calcium hydroxide in the lime water to form a white, insoluble precipitate called calcium carbonate. This calcium carbonate appears as a milky white color, causing the lime water to turn milky. This reaction is commonly used as a test for the presence of carbon dioxide gas.

In conclusion, the breathing rate of a person varies depending on the body's oxygen demand, the amount of nitrogen gas remains the same in inhaled and exhaled air due to its inert nature, carbon monoxide is harmful because it interferes with oxygen transport, and lime water turns milky when we blow into it due to the presence of carbon dioxide gas.

Understanding these reasons helps us comprehend the mechanisms and effects associated with respiration and the properties of different gases.

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do correct me if im wrong: since 15 units, so 14 glycosidic bonds, hence 14 water molecules lost (one per bond formed)

Answer:

E or "The dust found in the interstellar medium aggregates to form the disk."

Explanation:

Used G00GLE, and it said "One says that galaxies were born when vast clouds of gas and dust collapsed under their own gravitational pull, allowing stars to form."

(couldn't use the search engine's actual name)

Answer:

The correct answer would be:

A.

The angular momentum of the spin of the galaxy causes the material in the clouds to flatten and form a disk.

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Have a nice day!

Answer: The Spine

Explanation:

The kidneys are situated immediately inferior and deep to the ribs body part. That is option C.

The kidney is defined as the major organ of the urinary system of the body which is located retroperitoneal region of the abdomen (that is , behind the peritoneum).

The kidneys are situated below the diaphragm, one on either side of the spine. They are just below the rib cage.

Therefore, the rib cage can be said to be superior to the kidney organs in the abdomen.

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Hepatic encephalopathy mainly affects alcoholics and those with cirrhosis of the liver.

Hepatic encephalopathy is a neurological condition that can occur in people with liver disease, particularly those with cirrhosis of the liver. The condition is caused by a buildup of toxins in the bloodstream that the liver is unable to filter out, leading to cognitive and neurological symptoms such as confusion, memory loss, and tremors. Alcoholics are at particular risk of developing hepatic encephalopathy because chronic alcohol use can damage the liver and impair its ability to detoxify the blood.

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Answer:

golgi apparatus

Explanation:

the golgi apparatus packages molecules to leave the call

Answer:

A) Decreased K’eq - This is not correct. Enzymes lower the activation energy required for a reaction to occur, which leads to an increase in the rate of the reaction (k1) and a decrease in the equilibrium constant (Keq)

B) Increase k1 - This is correct. Enzymes lower the activation energy required for a reaction to occur, leading to an increase in the rate of the reaction (k1).

C) Increase ∆G‡ - This is not correct. Enzymes lower the activation energy required for a reaction to occur, which leads to a decrease in the standard free energy change (∆G‡)

D) More negative ∆G’° - This is not correct. Enzymes lower the activation energy required for a reaction to occur, which leads to a decrease in the standard free energy change (∆G‡) and as a result, ∆G'° will become less negative.

E) Increased k2 - This is not correct. Enzymes do not affect the rate constant for the reverse reaction (k2)

F) Decreased ∆G‡ - This is correct. Enzymes lower the activation energy required for a reaction to occur, which leads to a decrease in the standard free energy change (∆G‡)

G) Increased Keq - This is not correct. Enzymes lower the activation energy required for a reaction to occur, which leads to a decrease in the equilibrium constant (Keq)

In summary, enzymes catalyze reactions by lowering the activation energy required for a reaction to occur, leading to an increase in the rate of the reaction (k1) and a decrease in the standard free energy change (∆G‡) and equilibrium constant (Keq).

The enzyme that is catalysing the straightforward reaction has a lowered activation energy, increased k1, and increased k2.

Enzymes don't alter a biological reaction's equilibrium state, to put it briefly. G0 and Keq do not change. Instead, the enzyme speeds up the reaction by lowering the activation energy required for it to happen.

A catalyst accelerates the forward and backward reactions by the same precise amount. When the rates of the forward and back reactions are identical, dynamic equilibrium is reached. There is no requirement for a change in the position of equilibrium if a catalyst speeds up both reactions equally.

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